Home / 111,239.19-153,510.34-60,251.71

Finding the Fourth Proportional to 111,239.19, 153,510.34 and 60,251.71

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Solution

The fourth proportional to 111,239.19, 153,510.34 and 60,251.71 is: 83,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.19 : 153,510.34 = 60,251.71 : x
  2. Step 2: Convert to fraction form
    111,239.19/153,510.34 = 60,251.71/x
  3. Step 3: Cross multiply
    111,239.19x = 153,510.34 × 60,251.71
  4. Step 4: Simplify right side
    111,239.19x = 9,249,260,487.68
  5. Step 5: Solve for x
    x = 9,249,260,487.68/111,239.19
  6. Step 6: Final answer
    x = 83,147.50

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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.