Home / 124,801.15-172,223.05-68,212.93

Finding the Fourth Proportional to 124,801.15, 172,223.05 and 68,212.93

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Solution

The fourth proportional to 124,801.15, 172,223.05 and 68,212.93 is: 94,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,801.15 : 172,223.05 = 68,212.93 : x
  2. Step 2: Convert to fraction form
    124,801.15/172,223.05 = 68,212.93/x
  3. Step 3: Cross multiply
    124,801.15x = 172,223.05 × 68,212.93
  4. Step 4: Simplify right side
    124,801.15x = 11,747,838,854.04
  5. Step 5: Solve for x
    x = 11,747,838,854.04/124,801.15
  6. Step 6: Final answer
    x = 94,132.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.