Home / 147,646.28-221,498.56-54,152.84

Finding the Fourth Proportional to 147,646.28, 221,498.56 and 54,152.84

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Solution

The fourth proportional to 147,646.28, 221,498.56 and 54,152.84 is: 81,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,646.28 : 221,498.56 = 54,152.84 : x
  2. Step 2: Convert to fraction form
    147,646.28/221,498.56 = 54,152.84/x
  3. Step 3: Cross multiply
    147,646.28x = 221,498.56 × 54,152.84
  4. Step 4: Simplify right side
    147,646.28x = 11,994,776,079.91
  5. Step 5: Solve for x
    x = 11,994,776,079.91/147,646.28
  6. Step 6: Final answer
    x = 81,239.95

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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.