Home / 140,037.52-193,283.04-89,040.28

Finding the Fourth Proportional to 140,037.52, 193,283.04 and 89,040.28

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Solution

The fourth proportional to 140,037.52, 193,283.04 and 89,040.28 is: 122,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037.52 : 193,283.04 = 89,040.28 : x
  2. Step 2: Convert to fraction form
    140,037.52/193,283.04 = 89,040.28/x
  3. Step 3: Cross multiply
    140,037.52x = 193,283.04 × 89,040.28
  4. Step 4: Simplify right side
    140,037.52x = 17,209,976,000.85
  5. Step 5: Solve for x
    x = 17,209,976,000.85/140,037.52
  6. Step 6: Final answer
    x = 122,895.46

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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.