Home / 385,117.79-577,535.21-132,326.56

Finding the Fourth Proportional to 385,117.79, 577,535.21 and 132,326.56

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Solution

The fourth proportional to 385,117.79, 577,535.21 and 132,326.56 is: 198,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,117.79 : 577,535.21 = 132,326.56 : x
  2. Step 2: Convert to fraction form
    385,117.79/577,535.21 = 132,326.56/x
  3. Step 3: Cross multiply
    385,117.79x = 577,535.21 × 132,326.56
  4. Step 4: Simplify right side
    385,117.79x = 76,423,248,919.03
  5. Step 5: Solve for x
    x = 76,423,248,919.03/385,117.79
  6. Step 6: Final answer
    x = 198,441.23

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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.