Home / 185,611.34-255,748.01-125,076.85

Finding the Fourth Proportional to 185,611.34, 255,748.01 and 125,076.85

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Solution

The fourth proportional to 185,611.34, 255,748.01 and 125,076.85 is: 172,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.34 : 255,748.01 = 125,076.85 : x
  2. Step 2: Convert to fraction form
    185,611.34/255,748.01 = 125,076.85/x
  3. Step 3: Cross multiply
    185,611.34x = 255,748.01 × 125,076.85
  4. Step 4: Simplify right side
    185,611.34x = 31,988,154,219.81
  5. Step 5: Solve for x
    x = 31,988,154,219.81/185,611.34
  6. Step 6: Final answer
    x = 172,339.44

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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.