Home / 215,343.88-297,184.34-119,856.68

Finding the Fourth Proportional to 215,343.88, 297,184.34 and 119,856.68

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Solution

The fourth proportional to 215,343.88, 297,184.34 and 119,856.68 is: 165,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,343.88 : 297,184.34 = 119,856.68 : x
  2. Step 2: Convert to fraction form
    215,343.88/297,184.34 = 119,856.68/x
  3. Step 3: Cross multiply
    215,343.88x = 297,184.34 × 119,856.68
  4. Step 4: Simplify right side
    215,343.88x = 35,619,528,340.39
  5. Step 5: Solve for x
    x = 35,619,528,340.39/215,343.88
  6. Step 6: Final answer
    x = 165,407.66

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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.