Home / 283,655.60-391,439.67-154,595.24

Finding the Fourth Proportional to 283,655.60, 391,439.67 and 154,595.24

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Solution

The fourth proportional to 283,655.60, 391,439.67 and 154,595.24 is: 213,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,655.60 : 391,439.67 = 154,595.24 : x
  2. Step 2: Convert to fraction form
    283,655.60/391,439.67 = 154,595.24/x
  3. Step 3: Cross multiply
    283,655.60x = 391,439.67 × 154,595.24
  4. Step 4: Simplify right side
    283,655.60x = 60,514,709,729.17
  5. Step 5: Solve for x
    x = 60,514,709,729.17/283,655.60
  6. Step 6: Final answer
    x = 213,338.67

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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.