Home / 147,343.20-221,014.80-36,535.20

Finding the Fourth Proportional to 147,343.20, 221,014.80 and 36,535.20

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Solution

The fourth proportional to 147,343.20, 221,014.80 and 36,535.20 is: 54,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,343.20 : 221,014.80 = 36,535.20 : x
  2. Step 2: Convert to fraction form
    147,343.20/221,014.80 = 36,535.20/x
  3. Step 3: Cross multiply
    147,343.20x = 221,014.80 × 36,535.20
  4. Step 4: Simplify right side
    147,343.20x = 8,074,819,920.96
  5. Step 5: Solve for x
    x = 8,074,819,920.96/147,343.20
  6. Step 6: Final answer
    x = 54,802.80

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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.