Home / 147,820.26-221,732.20-42,640.14

Finding the Fourth Proportional to 147,820.26, 221,732.20 and 42,640.14

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Solution

The fourth proportional to 147,820.26, 221,732.20 and 42,640.14 is: 63,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,820.26 : 221,732.20 = 42,640.14 : x
  2. Step 2: Convert to fraction form
    147,820.26/221,732.20 = 42,640.14/x
  3. Step 3: Cross multiply
    147,820.26x = 221,732.20 × 42,640.14
  4. Step 4: Simplify right side
    147,820.26x = 9,454,692,050.51
  5. Step 5: Solve for x
    x = 9,454,692,050.51/147,820.26
  6. Step 6: Final answer
    x = 63,960.73

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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.