Home / 157,895.91-217,896.41-85,298.83

Finding the Fourth Proportional to 157,895.91, 217,896.41 and 85,298.83

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Solution

The fourth proportional to 157,895.91, 217,896.41 and 85,298.83 is: 117,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.91 : 217,896.41 = 85,298.83 : x
  2. Step 2: Convert to fraction form
    157,895.91/217,896.41 = 85,298.83/x
  3. Step 3: Cross multiply
    157,895.91x = 217,896.41 × 85,298.83
  4. Step 4: Simplify right side
    157,895.91x = 18,586,308,834.20
  5. Step 5: Solve for x
    x = 18,586,308,834.20/157,895.91
  6. Step 6: Final answer
    x = 117,712.41

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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.