Home / 140,726.70-210,565.17-139,152.06

Finding the Fourth Proportional to 140,726.70, 210,565.17 and 139,152.06

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Solution

The fourth proportional to 140,726.70, 210,565.17 and 139,152.06 is: 208,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,726.70 : 210,565.17 = 139,152.06 : x
  2. Step 2: Convert to fraction form
    140,726.70/210,565.17 = 139,152.06/x
  3. Step 3: Cross multiply
    140,726.70x = 210,565.17 × 139,152.06
  4. Step 4: Simplify right side
    140,726.70x = 29,300,577,169.75
  5. Step 5: Solve for x
    x = 29,300,577,169.75/140,726.70
  6. Step 6: Final answer
    x = 208,209.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.