Home / 283,442.33-391,150.41-156,117.92

Finding the Fourth Proportional to 283,442.33, 391,150.41 and 156,117.92

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Solution

The fourth proportional to 283,442.33, 391,150.41 and 156,117.92 is: 215,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,442.33 : 391,150.41 = 156,117.92 : x
  2. Step 2: Convert to fraction form
    283,442.33/391,150.41 = 156,117.92/x
  3. Step 3: Cross multiply
    283,442.33x = 391,150.41 × 156,117.92
  4. Step 4: Simplify right side
    283,442.33x = 61,065,588,075.37
  5. Step 5: Solve for x
    x = 61,065,588,075.37/283,442.33
  6. Step 6: Final answer
    x = 215,442.73

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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.