Home / 136,032.04-187,723.38-75,601.72

Finding the Fourth Proportional to 136,032.04, 187,723.38 and 75,601.72

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Solution

The fourth proportional to 136,032.04, 187,723.38 and 75,601.72 is: 104,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,032.04 : 187,723.38 = 75,601.72 : x
  2. Step 2: Convert to fraction form
    136,032.04/187,723.38 = 75,601.72/x
  3. Step 3: Cross multiply
    136,032.04x = 187,723.38 × 75,601.72
  4. Step 4: Simplify right side
    136,032.04x = 14,192,210,412.21
  5. Step 5: Solve for x
    x = 14,192,210,412.21/136,032.04
  6. Step 6: Final answer
    x = 104,329.91

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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.