Home / 142,766.40-214,149.60-101,294.40

Finding the Fourth Proportional to 142,766.40, 214,149.60 and 101,294.40

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Solution

The fourth proportional to 142,766.40, 214,149.60 and 101,294.40 is: 151,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,766.40 : 214,149.60 = 101,294.40 : x
  2. Step 2: Convert to fraction form
    142,766.40/214,149.60 = 101,294.40/x
  3. Step 3: Cross multiply
    142,766.40x = 214,149.60 × 101,294.40
  4. Step 4: Simplify right side
    142,766.40x = 21,692,155,242.24
  5. Step 5: Solve for x
    x = 21,692,155,242.24/142,766.40
  6. Step 6: Final answer
    x = 151,941.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.