Home / 347,854.40-521,568.36-148,061

Finding the Fourth Proportional to 347,854.40, 521,568.36 and 148,061

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Solution

The fourth proportional to 347,854.40, 521,568.36 and 148,061 is: 222,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,854.40 : 521,568.36 = 148,061 : x
  2. Step 2: Convert to fraction form
    347,854.40/521,568.36 = 148,061/x
  3. Step 3: Cross multiply
    347,854.40x = 521,568.36 × 148,061
  4. Step 4: Simplify right side
    347,854.40x = 77,223,932,949.96
  5. Step 5: Solve for x
    x = 77,223,932,949.96/347,854.40
  6. Step 6: Final answer
    x = 222,000.74

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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.