Home / 124,272.95-171,518.91-73,282.59

Finding the Fourth Proportional to 124,272.95, 171,518.91 and 73,282.59

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Solution

The fourth proportional to 124,272.95, 171,518.91 and 73,282.59 is: 101,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,272.95 : 171,518.91 = 73,282.59 : x
  2. Step 2: Convert to fraction form
    124,272.95/171,518.91 = 73,282.59/x
  3. Step 3: Cross multiply
    124,272.95x = 171,518.91 × 73,282.59
  4. Step 4: Simplify right side
    124,272.95x = 12,569,349,958.78
  5. Step 5: Solve for x
    x = 12,569,349,958.78/124,272.95
  6. Step 6: Final answer
    x = 101,143.09

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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.