Home / 147,544.81-221,538.62-84,436.20

Finding the Fourth Proportional to 147,544.81, 221,538.62 and 84,436.20

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Solution

The fourth proportional to 147,544.81, 221,538.62 and 84,436.20 is: 126,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,544.81 : 221,538.62 = 84,436.20 : x
  2. Step 2: Convert to fraction form
    147,544.81/221,538.62 = 84,436.20/x
  3. Step 3: Cross multiply
    147,544.81x = 221,538.62 × 84,436.20
  4. Step 4: Simplify right side
    147,544.81x = 18,705,879,226.04
  5. Step 5: Solve for x
    x = 18,705,879,226.04/147,544.81
  6. Step 6: Final answer
    x = 126,781.00

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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.