Home / 267,311.90-401,075.85-117,580.70

Finding the Fourth Proportional to 267,311.90, 401,075.85 and 117,580.70

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Solution

The fourth proportional to 267,311.90, 401,075.85 and 117,580.70 is: 176,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,311.90 : 401,075.85 = 117,580.70 : x
  2. Step 2: Convert to fraction form
    267,311.90/401,075.85 = 117,580.70/x
  3. Step 3: Cross multiply
    267,311.90x = 401,075.85 × 117,580.70
  4. Step 4: Simplify right side
    267,311.90x = 47,158,779,196.10
  5. Step 5: Solve for x
    x = 47,158,779,196.10/267,311.90
  6. Step 6: Final answer
    x = 176,418.56

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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.