Home / 134,114.32-185,000.76-83,725.84

Finding the Fourth Proportional to 134,114.32, 185,000.76 and 83,725.84

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Solution

The fourth proportional to 134,114.32, 185,000.76 and 83,725.84 is: 115,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.32 : 185,000.76 = 83,725.84 : x
  2. Step 2: Convert to fraction form
    134,114.32/185,000.76 = 83,725.84/x
  3. Step 3: Cross multiply
    134,114.32x = 185,000.76 × 83,725.84
  4. Step 4: Simplify right side
    134,114.32x = 15,489,344,031.64
  5. Step 5: Solve for x
    x = 15,489,344,031.64/134,114.32
  6. Step 6: Final answer
    x = 115,493.59

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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.