Home / 386,204.08-532,960.80-235,301.20

Finding the Fourth Proportional to 386,204.08, 532,960.80 and 235,301.20

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Solution

The fourth proportional to 386,204.08, 532,960.80 and 235,301.20 is: 324,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,204.08 : 532,960.80 = 235,301.20 : x
  2. Step 2: Convert to fraction form
    386,204.08/532,960.80 = 235,301.20/x
  3. Step 3: Cross multiply
    386,204.08x = 532,960.80 × 235,301.20
  4. Step 4: Simplify right side
    386,204.08x = 125,406,315,792.96
  5. Step 5: Solve for x
    x = 125,406,315,792.96/386,204.08
  6. Step 6: Final answer
    x = 324,715.15

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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.