Home / 147,064.16-220,575.42-47,211.21

Finding the Fourth Proportional to 147,064.16, 220,575.42 and 47,211.21

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Solution

The fourth proportional to 147,064.16, 220,575.42 and 47,211.21 is: 70,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,064.16 : 220,575.42 = 47,211.21 : x
  2. Step 2: Convert to fraction form
    147,064.16/220,575.42 = 47,211.21/x
  3. Step 3: Cross multiply
    147,064.16x = 220,575.42 × 47,211.21
  4. Step 4: Simplify right side
    147,064.16x = 10,413,632,474.46
  5. Step 5: Solve for x
    x = 10,413,632,474.46/147,064.16
  6. Step 6: Final answer
    x = 70,810.13

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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.