Home / 124,783.14-172,151.90-76,953.46

Finding the Fourth Proportional to 124,783.14, 172,151.90 and 76,953.46

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Solution

The fourth proportional to 124,783.14, 172,151.90 and 76,953.46 is: 106,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.14 : 172,151.90 = 76,953.46 : x
  2. Step 2: Convert to fraction form
    124,783.14/172,151.90 = 76,953.46/x
  3. Step 3: Cross multiply
    124,783.14x = 172,151.90 × 76,953.46
  4. Step 4: Simplify right side
    124,783.14x = 13,247,684,350.57
  5. Step 5: Solve for x
    x = 13,247,684,350.57/124,783.14
  6. Step 6: Final answer
    x = 106,165.66

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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.