Home / 124,126.38-171,307.01-73,155.53

Finding the Fourth Proportional to 124,126.38, 171,307.01 and 73,155.53

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Solution

The fourth proportional to 124,126.38, 171,307.01 and 73,155.53 is: 100,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,126.38 : 171,307.01 = 73,155.53 : x
  2. Step 2: Convert to fraction form
    124,126.38/171,307.01 = 73,155.53/x
  3. Step 3: Cross multiply
    124,126.38x = 171,307.01 × 73,155.53
  4. Step 4: Simplify right side
    124,126.38x = 12,532,054,438.95
  5. Step 5: Solve for x
    x = 12,532,054,438.95/124,126.38
  6. Step 6: Final answer
    x = 100,962.06

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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.