Home / 157,919.16-217,858.44-94,219.92

Finding the Fourth Proportional to 157,919.16, 217,858.44 and 94,219.92

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Solution

The fourth proportional to 157,919.16, 217,858.44 and 94,219.92 is: 129,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,919.16 : 217,858.44 = 94,219.92 : x
  2. Step 2: Convert to fraction form
    157,919.16/217,858.44 = 94,219.92/x
  3. Step 3: Cross multiply
    157,919.16x = 217,858.44 × 94,219.92
  4. Step 4: Simplify right side
    157,919.16x = 20,526,604,788.12
  5. Step 5: Solve for x
    x = 20,526,604,788.12/157,919.16
  6. Step 6: Final answer
    x = 129,981.72

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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.