Home / 111,136.19-153,366.75-60,147.86

Finding the Fourth Proportional to 111,136.19, 153,366.75 and 60,147.86

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Solution

The fourth proportional to 111,136.19, 153,366.75 and 60,147.86 is: 83,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,136.19 : 153,366.75 = 60,147.86 : x
  2. Step 2: Convert to fraction form
    111,136.19/153,366.75 = 60,147.86/x
  3. Step 3: Cross multiply
    111,136.19x = 153,366.75 × 60,147.86
  4. Step 4: Simplify right side
    111,136.19x = 9,224,681,040.82
  5. Step 5: Solve for x
    x = 9,224,681,040.82/111,136.19
  6. Step 6: Final answer
    x = 83,003.40

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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.