Home / 348,025.90-521,617.65-147,926.20

Finding the Fourth Proportional to 348,025.90, 521,617.65 and 147,926.20

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Solution

The fourth proportional to 348,025.90, 521,617.65 and 147,926.20 is: 221,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,025.90 : 521,617.65 = 147,926.20 : x
  2. Step 2: Convert to fraction form
    348,025.90/521,617.65 = 147,926.20/x
  3. Step 3: Cross multiply
    348,025.90x = 521,617.65 × 147,926.20
  4. Step 4: Simplify right side
    348,025.90x = 77,160,916,817.43
  5. Step 5: Solve for x
    x = 77,160,916,817.43/348,025.90
  6. Step 6: Final answer
    x = 221,710.27

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1.5x scale

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.