Home / 104,939.19-144,815.18-57,192.53

Finding the Fourth Proportional to 104,939.19, 144,815.18 and 57,192.53

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Solution

The fourth proportional to 104,939.19, 144,815.18 and 57,192.53 is: 78,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,939.19 : 144,815.18 = 57,192.53 : x
  2. Step 2: Convert to fraction form
    104,939.19/144,815.18 = 57,192.53/x
  3. Step 3: Cross multiply
    104,939.19x = 144,815.18 × 57,192.53
  4. Step 4: Simplify right side
    104,939.19x = 8,282,345,516.57
  5. Step 5: Solve for x
    x = 8,282,345,516.57/104,939.19
  6. Step 6: Final answer
    x = 78,925.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.