Home / 161,040.32-241,560.48-42,720.92

Finding the Fourth Proportional to 161,040.32, 241,560.48 and 42,720.92

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Solution

The fourth proportional to 161,040.32, 241,560.48 and 42,720.92 is: 64,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,040.32 : 241,560.48 = 42,720.92 : x
  2. Step 2: Convert to fraction form
    161,040.32/241,560.48 = 42,720.92/x
  3. Step 3: Cross multiply
    161,040.32x = 241,560.48 × 42,720.92
  4. Step 4: Simplify right side
    161,040.32x = 10,319,685,941.24
  5. Step 5: Solve for x
    x = 10,319,685,941.24/161,040.32
  6. Step 6: Final answer
    x = 64,081.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.