Home / 315,320.04-472,684.68-104,909.04

Finding the Fourth Proportional to 315,320.04, 472,684.68 and 104,909.04

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Solution

The fourth proportional to 315,320.04, 472,684.68 and 104,909.04 is: 157,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,320.04 : 472,684.68 = 104,909.04 : x
  2. Step 2: Convert to fraction form
    315,320.04/472,684.68 = 104,909.04/x
  3. Step 3: Cross multiply
    315,320.04x = 472,684.68 × 104,909.04
  4. Step 4: Simplify right side
    315,320.04x = 49,588,896,001.51
  5. Step 5: Solve for x
    x = 49,588,896,001.51/315,320.04
  6. Step 6: Final answer
    x = 157,265.29

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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.