Home / 140,098.18-193,336.13-76,437.30

Finding the Fourth Proportional to 140,098.18, 193,336.13 and 76,437.30

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Solution

The fourth proportional to 140,098.18, 193,336.13 and 76,437.30 is: 105,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,098.18 : 193,336.13 = 76,437.30 : x
  2. Step 2: Convert to fraction form
    140,098.18/193,336.13 = 76,437.30/x
  3. Step 3: Cross multiply
    140,098.18x = 193,336.13 × 76,437.30
  4. Step 4: Simplify right side
    140,098.18x = 14,778,091,769.65
  5. Step 5: Solve for x
    x = 14,778,091,769.65/140,098.18
  6. Step 6: Final answer
    x = 105,483.82

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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.