Home / 140,134.23-193,389.35-76,476.11

Finding the Fourth Proportional to 140,134.23, 193,389.35 and 76,476.11

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Solution

The fourth proportional to 140,134.23, 193,389.35 and 76,476.11 is: 105,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134.23 : 193,389.35 = 76,476.11 : x
  2. Step 2: Convert to fraction form
    140,134.23/193,389.35 = 76,476.11/x
  3. Step 3: Cross multiply
    140,134.23x = 193,389.35 × 76,476.11
  4. Step 4: Simplify right side
    140,134.23x = 14,789,663,854.10
  5. Step 5: Solve for x
    x = 14,789,663,854.10/140,134.23
  6. Step 6: Final answer
    x = 105,539.27

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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.