Home / 124,752.15-172,157.82-67,391.46

Finding the Fourth Proportional to 124,752.15, 172,157.82 and 67,391.46

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Solution

The fourth proportional to 124,752.15, 172,157.82 and 67,391.46 is: 93,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752.15 : 172,157.82 = 67,391.46 : x
  2. Step 2: Convert to fraction form
    124,752.15/172,157.82 = 67,391.46/x
  3. Step 3: Cross multiply
    124,752.15x = 172,157.82 × 67,391.46
  4. Step 4: Simplify right side
    124,752.15x = 11,601,966,840.22
  5. Step 5: Solve for x
    x = 11,601,966,840.22/124,752.15
  6. Step 6: Final answer
    x = 93,000.14

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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.