Home / 147,808.67-221,734.91-54,307.13

Finding the Fourth Proportional to 147,808.67, 221,734.91 and 54,307.13

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Solution

The fourth proportional to 147,808.67, 221,734.91 and 54,307.13 is: 81,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,808.67 : 221,734.91 = 54,307.13 : x
  2. Step 2: Convert to fraction form
    147,808.67/221,734.91 = 54,307.13/x
  3. Step 3: Cross multiply
    147,808.67x = 221,734.91 × 54,307.13
  4. Step 4: Simplify right side
    147,808.67x = 12,041,786,582.91
  5. Step 5: Solve for x
    x = 12,041,786,582.91/147,808.67
  6. Step 6: Final answer
    x = 81,468.74

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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.