Home / 242,726.09-335,117.66-156,723.53

Finding the Fourth Proportional to 242,726.09, 335,117.66 and 156,723.53

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Solution

The fourth proportional to 242,726.09, 335,117.66 and 156,723.53 is: 216,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,726.09 : 335,117.66 = 156,723.53 : x
  2. Step 2: Convert to fraction form
    242,726.09/335,117.66 = 156,723.53/x
  3. Step 3: Cross multiply
    242,726.09x = 335,117.66 × 156,723.53
  4. Step 4: Simplify right side
    242,726.09x = 52,520,820,181.33
  5. Step 5: Solve for x
    x = 52,520,820,181.33/242,726.09
  6. Step 6: Final answer
    x = 216,378.97

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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.