Home / 147,135.16-220,715.70-47,304.28

Finding the Fourth Proportional to 147,135.16, 220,715.70 and 47,304.28

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Solution

The fourth proportional to 147,135.16, 220,715.70 and 47,304.28 is: 70,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,135.16 : 220,715.70 = 47,304.28 : x
  2. Step 2: Convert to fraction form
    147,135.16/220,715.70 = 47,304.28/x
  3. Step 3: Cross multiply
    147,135.16x = 220,715.70 × 47,304.28
  4. Step 4: Simplify right side
    147,135.16x = 10,440,797,273.20
  5. Step 5: Solve for x
    x = 10,440,797,273.20/147,135.16
  6. Step 6: Final answer
    x = 70,960.59

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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.