Home / 105,934.90-146,191.22-57,537.78

Finding the Fourth Proportional to 105,934.90, 146,191.22 and 57,537.78

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Solution

The fourth proportional to 105,934.90, 146,191.22 and 57,537.78 is: 79,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.90 : 146,191.22 = 57,537.78 : x
  2. Step 2: Convert to fraction form
    105,934.90/146,191.22 = 57,537.78/x
  3. Step 3: Cross multiply
    105,934.90x = 146,191.22 × 57,537.78
  4. Step 4: Simplify right side
    105,934.90x = 8,411,518,254.29
  5. Step 5: Solve for x
    x = 8,411,518,254.29/105,934.90
  6. Step 6: Final answer
    x = 79,402.71

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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.