Home / 154,917.84-232,407-49,728.72

Finding the Fourth Proportional to 154,917.84, 232,407 and 49,728.72

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Solution

The fourth proportional to 154,917.84, 232,407 and 49,728.72 is: 74,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,917.84 : 232,407 = 49,728.72 : x
  2. Step 2: Convert to fraction form
    154,917.84/232,407 = 49,728.72/x
  3. Step 3: Cross multiply
    154,917.84x = 232,407 × 49,728.72
  4. Step 4: Simplify right side
    154,917.84x = 11,557,302,629.04
  5. Step 5: Solve for x
    x = 11,557,302,629.04/154,917.84
  6. Step 6: Final answer
    x = 74,602.79

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1.5x scale

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.