Home / 261,014.85-391,522.28-156,038.85

Finding the Fourth Proportional to 261,014.85, 391,522.28 and 156,038.85

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Solution

The fourth proportional to 261,014.85, 391,522.28 and 156,038.85 is: 234,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,014.85 : 391,522.28 = 156,038.85 : x
  2. Step 2: Convert to fraction form
    261,014.85/391,522.28 = 156,038.85/x
  3. Step 3: Cross multiply
    261,014.85x = 391,522.28 × 156,038.85
  4. Step 4: Simplify right side
    261,014.85x = 61,092,685,540.38
  5. Step 5: Solve for x
    x = 61,092,685,540.38/261,014.85
  6. Step 6: Final answer
    x = 234,058.28

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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.