Home / 155,982.44-215,237.54-88,000.48

Finding the Fourth Proportional to 155,982.44, 215,237.54 and 88,000.48

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Solution

The fourth proportional to 155,982.44, 215,237.54 and 88,000.48 is: 121,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,982.44 : 215,237.54 = 88,000.48 : x
  2. Step 2: Convert to fraction form
    155,982.44/215,237.54 = 88,000.48/x
  3. Step 3: Cross multiply
    155,982.44x = 215,237.54 × 88,000.48
  4. Step 4: Simplify right side
    155,982.44x = 18,941,006,834.02
  5. Step 5: Solve for x
    x = 18,941,006,834.02/155,982.44
  6. Step 6: Final answer
    x = 121,430.38

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1.5x scale

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.