Home / 135,602.15-187,205.45-92,646.23

Finding the Fourth Proportional to 135,602.15, 187,205.45 and 92,646.23

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Solution

The fourth proportional to 135,602.15, 187,205.45 and 92,646.23 is: 127,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,602.15 : 187,205.45 = 92,646.23 : x
  2. Step 2: Convert to fraction form
    135,602.15/187,205.45 = 92,646.23/x
  3. Step 3: Cross multiply
    135,602.15x = 187,205.45 × 92,646.23
  4. Step 4: Simplify right side
    135,602.15x = 17,343,879,177.95
  5. Step 5: Solve for x
    x = 17,343,879,177.95/135,602.15
  6. Step 6: Final answer
    x = 127,902.69

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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.