Home / 142,883.55-214,281.57-98,793.63

Finding the Fourth Proportional to 142,883.55, 214,281.57 and 98,793.63

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Solution

The fourth proportional to 142,883.55, 214,281.57 and 98,793.63 is: 148,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,883.55 : 214,281.57 = 98,793.63 : x
  2. Step 2: Convert to fraction form
    142,883.55/214,281.57 = 98,793.63/x
  3. Step 3: Cross multiply
    142,883.55x = 214,281.57 × 98,793.63
  4. Step 4: Simplify right side
    142,883.55x = 21,169,654,142.40
  5. Step 5: Solve for x
    x = 21,169,654,142.40/142,883.55
  6. Step 6: Final answer
    x = 148,160.19

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1.5x scale

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.