Home / 126,937.79-175,174.14-70,352.81

Finding the Fourth Proportional to 126,937.79, 175,174.14 and 70,352.81

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Solution

The fourth proportional to 126,937.79, 175,174.14 and 70,352.81 is: 97,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.79 : 175,174.14 = 70,352.81 : x
  2. Step 2: Convert to fraction form
    126,937.79/175,174.14 = 70,352.81/x
  3. Step 3: Cross multiply
    126,937.79x = 175,174.14 × 70,352.81
  4. Step 4: Simplify right side
    126,937.79x = 12,323,992,112.46
  5. Step 5: Solve for x
    x = 12,323,992,112.46/126,937.79
  6. Step 6: Final answer
    x = 97,086.87

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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.