Home / 124,209.52-171,431.49-73,219.21

Finding the Fourth Proportional to 124,209.52, 171,431.49 and 73,219.21

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Solution

The fourth proportional to 124,209.52, 171,431.49 and 73,219.21 is: 101,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209.52 : 171,431.49 = 73,219.21 : x
  2. Step 2: Convert to fraction form
    124,209.52/171,431.49 = 73,219.21/x
  3. Step 3: Cross multiply
    124,209.52x = 171,431.49 × 73,219.21
  4. Step 4: Simplify right side
    124,209.52x = 12,552,077,701.06
  5. Step 5: Solve for x
    x = 12,552,077,701.06/124,209.52
  6. Step 6: Final answer
    x = 101,055.68

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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.