Home / 283,758.08-391,588.76-156,438.23

Finding the Fourth Proportional to 283,758.08, 391,588.76 and 156,438.23

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Solution

The fourth proportional to 283,758.08, 391,588.76 and 156,438.23 is: 215,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,758.08 : 391,588.76 = 156,438.23 : x
  2. Step 2: Convert to fraction form
    283,758.08/391,588.76 = 156,438.23/x
  3. Step 3: Cross multiply
    283,758.08x = 391,588.76 × 156,438.23
  4. Step 4: Simplify right side
    283,758.08x = 61,259,452,502.29
  5. Step 5: Solve for x
    x = 61,259,452,502.29/283,758.08
  6. Step 6: Final answer
    x = 215,886.20

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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.