Home / 261,526.57-391,915.59-148,974.37

Finding the Fourth Proportional to 261,526.57, 391,915.59 and 148,974.37

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Solution

The fourth proportional to 261,526.57, 391,915.59 and 148,974.37 is: 223,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,526.57 : 391,915.59 = 148,974.37 : x
  2. Step 2: Convert to fraction form
    261,526.57/391,915.59 = 148,974.37/x
  3. Step 3: Cross multiply
    261,526.57x = 391,915.59 × 148,974.37
  4. Step 4: Simplify right side
    261,526.57x = 58,385,378,113.43
  5. Step 5: Solve for x
    x = 58,385,378,113.43/261,526.57
  6. Step 6: Final answer
    x = 223,248.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.