Home / 282,443.11-423,736.38-130,749.55

Finding the Fourth Proportional to 282,443.11, 423,736.38 and 130,749.55

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Solution

The fourth proportional to 282,443.11, 423,736.38 and 130,749.55 is: 196,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,443.11 : 423,736.38 = 130,749.55 : x
  2. Step 2: Convert to fraction form
    282,443.11/423,736.38 = 130,749.55/x
  3. Step 3: Cross multiply
    282,443.11x = 423,736.38 × 130,749.55
  4. Step 4: Simplify right side
    282,443.11x = 55,403,341,003.63
  5. Step 5: Solve for x
    x = 55,403,341,003.63/282,443.11
  6. Step 6: Final answer
    x = 196,157.52

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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.