Home / 136,125.03-187,856.83-75,698.22

Finding the Fourth Proportional to 136,125.03, 187,856.83 and 75,698.22

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Solution

The fourth proportional to 136,125.03, 187,856.83 and 75,698.22 is: 104,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,125.03 : 187,856.83 = 75,698.22 : x
  2. Step 2: Convert to fraction form
    136,125.03/187,856.83 = 75,698.22/x
  3. Step 3: Cross multiply
    136,125.03x = 187,856.83 × 75,698.22
  4. Step 4: Simplify right side
    136,125.03x = 14,220,427,645.84
  5. Step 5: Solve for x
    x = 14,220,427,645.84/136,125.03
  6. Step 6: Final answer
    x = 104,465.93

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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.