Home / 147,030.60-220,545.90-133,471.20

Finding the Fourth Proportional to 147,030.60, 220,545.90 and 133,471.20

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Solution

The fourth proportional to 147,030.60, 220,545.90 and 133,471.20 is: 200,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.60 : 220,545.90 = 133,471.20 : x
  2. Step 2: Convert to fraction form
    147,030.60/220,545.90 = 133,471.20/x
  3. Step 3: Cross multiply
    147,030.60x = 220,545.90 × 133,471.20
  4. Step 4: Simplify right side
    147,030.60x = 29,436,525,928.08
  5. Step 5: Solve for x
    x = 29,436,525,928.08/147,030.60
  6. Step 6: Final answer
    x = 200,206.80

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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.