Home / 121,439.25-182,188.04-38,333.25

Finding the Fourth Proportional to 121,439.25, 182,188.04 and 38,333.25

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Solution

The fourth proportional to 121,439.25, 182,188.04 and 38,333.25 is: 57,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,439.25 : 182,188.04 = 38,333.25 : x
  2. Step 2: Convert to fraction form
    121,439.25/182,188.04 = 38,333.25/x
  3. Step 3: Cross multiply
    121,439.25x = 182,188.04 × 38,333.25
  4. Step 4: Simplify right side
    121,439.25x = 6,983,859,492.66
  5. Step 5: Solve for x
    x = 6,983,859,492.66/121,439.25
  6. Step 6: Final answer
    x = 57,509.08

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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.