Home / 124,230.78-171,415.08-73,259.55

Finding the Fourth Proportional to 124,230.78, 171,415.08 and 73,259.55

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Solution

The fourth proportional to 124,230.78, 171,415.08 and 73,259.55 is: 101,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,230.78 : 171,415.08 = 73,259.55 : x
  2. Step 2: Convert to fraction form
    124,230.78/171,415.08 = 73,259.55/x
  3. Step 3: Cross multiply
    124,230.78x = 171,415.08 × 73,259.55
  4. Step 4: Simplify right side
    124,230.78x = 12,557,791,624.01
  5. Step 5: Solve for x
    x = 12,557,791,624.01/124,230.78
  6. Step 6: Final answer
    x = 101,084.38

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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.