Home / 348,025.40-521,616.90-147,925.70

Finding the Fourth Proportional to 348,025.40, 521,616.90 and 147,925.70

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Solution

The fourth proportional to 348,025.40, 521,616.90 and 147,925.70 is: 221,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,025.40 : 521,616.90 = 147,925.70 : x
  2. Step 2: Convert to fraction form
    348,025.40/521,616.90 = 147,925.70/x
  3. Step 3: Cross multiply
    348,025.40x = 521,616.90 × 147,925.70
  4. Step 4: Simplify right side
    348,025.40x = 77,160,545,064.33
  5. Step 5: Solve for x
    x = 77,160,545,064.33/348,025.40
  6. Step 6: Final answer
    x = 221,709.52

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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.