Home / 173,862.10-260,728.35-121,114.90

Finding the Fourth Proportional to 173,862.10, 260,728.35 and 121,114.90

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Solution

The fourth proportional to 173,862.10, 260,728.35 and 121,114.90 is: 181,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,862.10 : 260,728.35 = 121,114.90 : x
  2. Step 2: Convert to fraction form
    173,862.10/260,728.35 = 121,114.90/x
  3. Step 3: Cross multiply
    173,862.10x = 260,728.35 × 121,114.90
  4. Step 4: Simplify right side
    173,862.10x = 31,578,088,037.42
  5. Step 5: Solve for x
    x = 31,578,088,037.42/173,862.10
  6. Step 6: Final answer
    x = 181,627.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.