Home / 157,922.64-217,933.34-86,302.66

Finding the Fourth Proportional to 157,922.64, 217,933.34 and 86,302.66

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Solution

The fourth proportional to 157,922.64, 217,933.34 and 86,302.66 is: 119,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,922.64 : 217,933.34 = 86,302.66 : x
  2. Step 2: Convert to fraction form
    157,922.64/217,933.34 = 86,302.66/x
  3. Step 3: Cross multiply
    157,922.64x = 217,933.34 × 86,302.66
  4. Step 4: Simplify right side
    157,922.64x = 18,808,226,944.68
  5. Step 5: Solve for x
    x = 18,808,226,944.68/157,922.64
  6. Step 6: Final answer
    x = 119,097.72

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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.