Home / 475,126.26-712,615.12-155,275.60

Finding the Fourth Proportional to 475,126.26, 712,615.12 and 155,275.60

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Solution

The fourth proportional to 475,126.26, 712,615.12 and 155,275.60 is: 232,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,126.26 : 712,615.12 = 155,275.60 : x
  2. Step 2: Convert to fraction form
    475,126.26/712,615.12 = 155,275.60/x
  3. Step 3: Cross multiply
    475,126.26x = 712,615.12 × 155,275.60
  4. Step 4: Simplify right side
    475,126.26x = 110,651,740,327.07
  5. Step 5: Solve for x
    x = 110,651,740,327.07/475,126.26
  6. Step 6: Final answer
    x = 232,889.13

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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.