Home / 147,844.40-221,766.60-42,666.80

Finding the Fourth Proportional to 147,844.40, 221,766.60 and 42,666.80

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Solution

The fourth proportional to 147,844.40, 221,766.60 and 42,666.80 is: 64,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,844.40 : 221,766.60 = 42,666.80 : x
  2. Step 2: Convert to fraction form
    147,844.40/221,766.60 = 42,666.80/x
  3. Step 3: Cross multiply
    147,844.40x = 221,766.60 × 42,666.80
  4. Step 4: Simplify right side
    147,844.40x = 9,462,071,168.88
  5. Step 5: Solve for x
    x = 9,462,071,168.88/147,844.40
  6. Step 6: Final answer
    x = 64,000.20

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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.