Home / 215,720.06-297,695.16-120,232.91

Finding the Fourth Proportional to 215,720.06, 297,695.16 and 120,232.91

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Solution

The fourth proportional to 215,720.06, 297,695.16 and 120,232.91 is: 165,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,720.06 : 297,695.16 = 120,232.91 : x
  2. Step 2: Convert to fraction form
    215,720.06/297,695.16 = 120,232.91/x
  3. Step 3: Cross multiply
    215,720.06x = 297,695.16 × 120,232.91
  4. Step 4: Simplify right side
    215,720.06x = 35,792,754,191.82
  5. Step 5: Solve for x
    x = 35,792,754,191.82/215,720.06
  6. Step 6: Final answer
    x = 165,922.23

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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.