Home / 283,544.14-391,290.70-156,219.74

Finding the Fourth Proportional to 283,544.14, 391,290.70 and 156,219.74

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Solution

The fourth proportional to 283,544.14, 391,290.70 and 156,219.74 is: 215,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,544.14 : 391,290.70 = 156,219.74 : x
  2. Step 2: Convert to fraction form
    283,544.14/391,290.70 = 156,219.74/x
  3. Step 3: Cross multiply
    283,544.14x = 391,290.70 × 156,219.74
  4. Step 4: Simplify right side
    283,544.14x = 61,127,329,461.96
  5. Step 5: Solve for x
    x = 61,127,329,461.96/283,544.14
  6. Step 6: Final answer
    x = 215,583.12

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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.