Home / 147,243.17-220,885.64-47,380.16

Finding the Fourth Proportional to 147,243.17, 220,885.64 and 47,380.16

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Solution

The fourth proportional to 147,243.17, 220,885.64 and 47,380.16 is: 71,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,243.17 : 220,885.64 = 47,380.16 : x
  2. Step 2: Convert to fraction form
    147,243.17/220,885.64 = 47,380.16/x
  3. Step 3: Cross multiply
    147,243.17x = 220,885.64 × 47,380.16
  4. Step 4: Simplify right side
    147,243.17x = 10,465,596,728.00
  5. Step 5: Solve for x
    x = 10,465,596,728.00/147,243.17
  6. Step 6: Final answer
    x = 71,076.96

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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.