Home / 147,678.08-221,380.32-58,909.76

Finding the Fourth Proportional to 147,678.08, 221,380.32 and 58,909.76

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Solution

The fourth proportional to 147,678.08, 221,380.32 and 58,909.76 is: 88,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,678.08 : 221,380.32 = 58,909.76 : x
  2. Step 2: Convert to fraction form
    147,678.08/221,380.32 = 58,909.76/x
  3. Step 3: Cross multiply
    147,678.08x = 221,380.32 × 58,909.76
  4. Step 4: Simplify right side
    147,678.08x = 13,041,461,519.92
  5. Step 5: Solve for x
    x = 13,041,461,519.92/147,678.08
  6. Step 6: Final answer
    x = 88,310.07

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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.