Home / 117,152.24-161,666.52-66,848.72

Finding the Fourth Proportional to 117,152.24, 161,666.52 and 66,848.72

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Solution

The fourth proportional to 117,152.24, 161,666.52 and 66,848.72 is: 92,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,152.24 : 161,666.52 = 66,848.72 : x
  2. Step 2: Convert to fraction form
    117,152.24/161,666.52 = 66,848.72/x
  3. Step 3: Cross multiply
    117,152.24x = 161,666.52 × 66,848.72
  4. Step 4: Simplify right side
    117,152.24x = 10,807,199,928.85
  5. Step 5: Solve for x
    x = 10,807,199,928.85/117,152.24
  6. Step 6: Final answer
    x = 92,249.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.