Home / 475,131.16-712,622.43-155,280.48

Finding the Fourth Proportional to 475,131.16, 712,622.43 and 155,280.48

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Solution

The fourth proportional to 475,131.16, 712,622.43 and 155,280.48 is: 232,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,131.16 : 712,622.43 = 155,280.48 : x
  2. Step 2: Convert to fraction form
    475,131.16/712,622.43 = 155,280.48/x
  3. Step 3: Cross multiply
    475,131.16x = 712,622.43 × 155,280.48
  4. Step 4: Simplify right side
    475,131.16x = 110,656,352,989.17
  5. Step 5: Solve for x
    x = 110,656,352,989.17/475,131.16
  6. Step 6: Final answer
    x = 232,896.43

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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.