Home / 147,996.40-221,557.20-98,132.80

Finding the Fourth Proportional to 147,996.40, 221,557.20 and 98,132.80

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Solution

The fourth proportional to 147,996.40, 221,557.20 and 98,132.80 is: 146,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996.40 : 221,557.20 = 98,132.80 : x
  2. Step 2: Convert to fraction form
    147,996.40/221,557.20 = 98,132.80/x
  3. Step 3: Cross multiply
    147,996.40x = 221,557.20 × 98,132.80
  4. Step 4: Simplify right side
    147,996.40x = 21,742,028,396.16
  5. Step 5: Solve for x
    x = 21,742,028,396.16/147,996.40
  6. Step 6: Final answer
    x = 146,909.17

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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.