Home / 229,659.15-316,937.74-127,713.53

Finding the Fourth Proportional to 229,659.15, 316,937.74 and 127,713.53

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Solution

The fourth proportional to 229,659.15, 316,937.74 and 127,713.53 is: 176,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,659.15 : 316,937.74 = 127,713.53 : x
  2. Step 2: Convert to fraction form
    229,659.15/316,937.74 = 127,713.53/x
  3. Step 3: Cross multiply
    229,659.15x = 316,937.74 × 127,713.53
  4. Step 4: Simplify right side
    229,659.15x = 40,477,237,565.62
  5. Step 5: Solve for x
    x = 40,477,237,565.62/229,659.15
  6. Step 6: Final answer
    x = 176,249.18

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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.