Home / 220,048.72-330,115.52-93,686.65

Finding the Fourth Proportional to 220,048.72, 330,115.52 and 93,686.65

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Solution

The fourth proportional to 220,048.72, 330,115.52 and 93,686.65 is: 140,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,048.72 : 330,115.52 = 93,686.65 : x
  2. Step 2: Convert to fraction form
    220,048.72/330,115.52 = 93,686.65/x
  3. Step 3: Cross multiply
    220,048.72x = 330,115.52 × 93,686.65
  4. Step 4: Simplify right side
    220,048.72x = 30,927,417,181.81
  5. Step 5: Solve for x
    x = 30,927,417,181.81/220,048.72
  6. Step 6: Final answer
    x = 140,548.04

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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.