Home / 283,448.15-391,158.41-156,123.74

Finding the Fourth Proportional to 283,448.15, 391,158.41 and 156,123.74

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Solution

The fourth proportional to 283,448.15, 391,158.41 and 156,123.74 is: 215,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,448.15 : 391,158.41 = 156,123.74 : x
  2. Step 2: Convert to fraction form
    283,448.15/391,158.41 = 156,123.74/x
  3. Step 3: Cross multiply
    283,448.15x = 391,158.41 × 156,123.74
  4. Step 4: Simplify right side
    283,448.15x = 61,069,113,121.03
  5. Step 5: Solve for x
    x = 61,069,113,121.03/283,448.15
  6. Step 6: Final answer
    x = 215,450.74

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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.