Home / 111,140.16-153,373.68-60,842.40

Finding the Fourth Proportional to 111,140.16, 153,373.68 and 60,842.40

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Solution

The fourth proportional to 111,140.16, 153,373.68 and 60,842.40 is: 83,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.16 : 153,373.68 = 60,842.40 : x
  2. Step 2: Convert to fraction form
    111,140.16/153,373.68 = 60,842.40/x
  3. Step 3: Cross multiply
    111,140.16x = 153,373.68 × 60,842.40
  4. Step 4: Simplify right side
    111,140.16x = 9,331,622,788.03
  5. Step 5: Solve for x
    x = 9,331,622,788.03/111,140.16
  6. Step 6: Final answer
    x = 83,962.65

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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.