Home / 140,058.90-193,279.14-76,395.42

Finding the Fourth Proportional to 140,058.90, 193,279.14 and 76,395.42

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Solution

The fourth proportional to 140,058.90, 193,279.14 and 76,395.42 is: 105,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,058.90 : 193,279.14 = 76,395.42 : x
  2. Step 2: Convert to fraction form
    140,058.90/193,279.14 = 76,395.42/x
  3. Step 3: Cross multiply
    140,058.90x = 193,279.14 × 76,395.42
  4. Step 4: Simplify right side
    140,058.90x = 14,765,641,077.54
  5. Step 5: Solve for x
    x = 14,765,641,077.54/140,058.90
  6. Step 6: Final answer
    x = 105,424.51

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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.