Home / 147,737.20-221,547.48-54,191.92

Finding the Fourth Proportional to 147,737.20, 221,547.48 and 54,191.92

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Solution

The fourth proportional to 147,737.20, 221,547.48 and 54,191.92 is: 81,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,737.20 : 221,547.48 = 54,191.92 : x
  2. Step 2: Convert to fraction form
    147,737.20/221,547.48 = 54,191.92/x
  3. Step 3: Cross multiply
    147,737.20x = 221,547.48 × 54,191.92
  4. Step 4: Simplify right side
    147,737.20x = 12,006,083,312.36
  5. Step 5: Solve for x
    x = 12,006,083,312.36/147,737.20
  6. Step 6: Final answer
    x = 81,266.49

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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.