Home / 316,184.06-474,276.90-129,195.56

Finding the Fourth Proportional to 316,184.06, 474,276.90 and 129,195.56

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Solution

The fourth proportional to 316,184.06, 474,276.90 and 129,195.56 is: 193,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,184.06 : 474,276.90 = 129,195.56 : x
  2. Step 2: Convert to fraction form
    316,184.06/474,276.90 = 129,195.56/x
  3. Step 3: Cross multiply
    316,184.06x = 474,276.90 × 129,195.56
  4. Step 4: Simplify right side
    316,184.06x = 61,274,467,319.18
  5. Step 5: Solve for x
    x = 61,274,467,319.18/316,184.06
  6. Step 6: Final answer
    x = 193,793.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.