Home / 136,015.35-187,689.24-75,582.18

Finding the Fourth Proportional to 136,015.35, 187,689.24 and 75,582.18

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Solution

The fourth proportional to 136,015.35, 187,689.24 and 75,582.18 is: 104,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.35 : 187,689.24 = 75,582.18 : x
  2. Step 2: Convert to fraction form
    136,015.35/187,689.24 = 75,582.18/x
  3. Step 3: Cross multiply
    136,015.35x = 187,689.24 × 75,582.18
  4. Step 4: Simplify right side
    136,015.35x = 14,185,961,921.74
  5. Step 5: Solve for x
    x = 14,185,961,921.74/136,015.35
  6. Step 6: Final answer
    x = 104,296.77

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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.