Home / 142,387.68-196,492.56-101,626.86

Finding the Fourth Proportional to 142,387.68, 196,492.56 and 101,626.86

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Solution

The fourth proportional to 142,387.68, 196,492.56 and 101,626.86 is: 140,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,387.68 : 196,492.56 = 101,626.86 : x
  2. Step 2: Convert to fraction form
    142,387.68/196,492.56 = 101,626.86/x
  3. Step 3: Cross multiply
    142,387.68x = 196,492.56 × 101,626.86
  4. Step 4: Simplify right side
    142,387.68x = 19,968,921,886.16
  5. Step 5: Solve for x
    x = 19,968,921,886.16/142,387.68
  6. Step 6: Final answer
    x = 140,243.33

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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.