Home / 147,377.61-221,113.12-52,605.69

Finding the Fourth Proportional to 147,377.61, 221,113.12 and 52,605.69

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Solution

The fourth proportional to 147,377.61, 221,113.12 and 52,605.69 is: 78,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,377.61 : 221,113.12 = 52,605.69 : x
  2. Step 2: Convert to fraction form
    147,377.61/221,113.12 = 52,605.69/x
  3. Step 3: Cross multiply
    147,377.61x = 221,113.12 × 52,605.69
  4. Step 4: Simplify right side
    147,377.61x = 11,631,808,245.65
  5. Step 5: Solve for x
    x = 11,631,808,245.65/147,377.61
  6. Step 6: Final answer
    x = 78,925.21

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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.