Home / 136,050.35-187,741.44-75,618.92

Finding the Fourth Proportional to 136,050.35, 187,741.44 and 75,618.92

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Solution

The fourth proportional to 136,050.35, 187,741.44 and 75,618.92 is: 104,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,050.35 : 187,741.44 = 75,618.92 : x
  2. Step 2: Convert to fraction form
    136,050.35/187,741.44 = 75,618.92/x
  3. Step 3: Cross multiply
    136,050.35x = 187,741.44 × 75,618.92
  4. Step 4: Simplify right side
    136,050.35x = 14,196,804,932.04
  5. Step 5: Solve for x
    x = 14,196,804,932.04/136,050.35
  6. Step 6: Final answer
    x = 104,349.64

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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.