Home / 314,976.90-472,526.10-135,059.70

Finding the Fourth Proportional to 314,976.90, 472,526.10 and 135,059.70

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Solution

The fourth proportional to 314,976.90, 472,526.10 and 135,059.70 is: 202,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,976.90 : 472,526.10 = 135,059.70 : x
  2. Step 2: Convert to fraction form
    314,976.90/472,526.10 = 135,059.70/x
  3. Step 3: Cross multiply
    314,976.90x = 472,526.10 × 135,059.70
  4. Step 4: Simplify right side
    314,976.90x = 63,819,233,308.17
  5. Step 5: Solve for x
    x = 63,819,233,308.17/314,976.90
  6. Step 6: Final answer
    x = 202,615.60

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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.