Home / 140,037.04-193,252.60-76,375.90

Finding the Fourth Proportional to 140,037.04, 193,252.60 and 76,375.90

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Solution

The fourth proportional to 140,037.04, 193,252.60 and 76,375.90 is: 105,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037.04 : 193,252.60 = 76,375.90 : x
  2. Step 2: Convert to fraction form
    140,037.04/193,252.60 = 76,375.90/x
  3. Step 3: Cross multiply
    140,037.04x = 193,252.60 × 76,375.90
  4. Step 4: Simplify right side
    140,037.04x = 14,759,841,252.34
  5. Step 5: Solve for x
    x = 14,759,841,252.34/140,037.04
  6. Step 6: Final answer
    x = 105,399.55

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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.