Home / 147,065.42-220,577.30-47,212.46

Finding the Fourth Proportional to 147,065.42, 220,577.30 and 47,212.46

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Solution

The fourth proportional to 147,065.42, 220,577.30 and 47,212.46 is: 70,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,065.42 : 220,577.30 = 47,212.46 : x
  2. Step 2: Convert to fraction form
    147,065.42/220,577.30 = 47,212.46/x
  3. Step 3: Cross multiply
    147,065.42x = 220,577.30 × 47,212.46
  4. Step 4: Simplify right side
    147,065.42x = 10,413,996,717.10
  5. Step 5: Solve for x
    x = 10,413,996,717.10/147,065.42
  6. Step 6: Final answer
    x = 70,812.00

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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.