Home / 215,385.01-297,226.38-134,856.93

Finding the Fourth Proportional to 215,385.01, 297,226.38 and 134,856.93

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Solution

The fourth proportional to 215,385.01, 297,226.38 and 134,856.93 is: 186,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,385.01 : 297,226.38 = 134,856.93 : x
  2. Step 2: Convert to fraction form
    215,385.01/297,226.38 = 134,856.93/x
  3. Step 3: Cross multiply
    215,385.01x = 297,226.38 × 134,856.93
  4. Step 4: Simplify right side
    215,385.01x = 40,083,037,121.81
  5. Step 5: Solve for x
    x = 40,083,037,121.81/215,385.01
  6. Step 6: Final answer
    x = 186,099.48

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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.