Home / 219,545.19-329,055.62-112,980.24

Finding the Fourth Proportional to 219,545.19, 329,055.62 and 112,980.24

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Solution

The fourth proportional to 219,545.19, 329,055.62 and 112,980.24 is: 169,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.19 : 329,055.62 = 112,980.24 : x
  2. Step 2: Convert to fraction form
    219,545.19/329,055.62 = 112,980.24/x
  3. Step 3: Cross multiply
    219,545.19x = 329,055.62 × 112,980.24
  4. Step 4: Simplify right side
    219,545.19x = 37,176,782,356.05
  5. Step 5: Solve for x
    x = 37,176,782,356.05/219,545.19
  6. Step 6: Final answer
    x = 169,335.44

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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.