Home / 111,142.13-153,376.13-60,841.13

Finding the Fourth Proportional to 111,142.13, 153,376.13 and 60,841.13

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Solution

The fourth proportional to 111,142.13, 153,376.13 and 60,841.13 is: 83,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,142.13 : 153,376.13 = 60,841.13 : x
  2. Step 2: Convert to fraction form
    111,142.13/153,376.13 = 60,841.13/x
  3. Step 3: Cross multiply
    111,142.13x = 153,376.13 × 60,841.13
  4. Step 4: Simplify right side
    111,142.13x = 9,331,576,449.45
  5. Step 5: Solve for x
    x = 9,331,576,449.45/111,142.13
  6. Step 6: Final answer
    x = 83,960.75

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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.