Home / 124,220.16-171,418.32-67,631.52

Finding the Fourth Proportional to 124,220.16, 171,418.32 and 67,631.52

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Solution

The fourth proportional to 124,220.16, 171,418.32 and 67,631.52 is: 93,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,220.16 : 171,418.32 = 67,631.52 : x
  2. Step 2: Convert to fraction form
    124,220.16/171,418.32 = 67,631.52/x
  3. Step 3: Cross multiply
    124,220.16x = 171,418.32 × 67,631.52
  4. Step 4: Simplify right side
    124,220.16x = 11,593,281,537.45
  5. Step 5: Solve for x
    x = 11,593,281,537.45/124,220.16
  6. Step 6: Final answer
    x = 93,328.50

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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.