Home / 243,867.94-336,424.07-157,854.60

Finding the Fourth Proportional to 243,867.94, 336,424.07 and 157,854.60

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Solution

The fourth proportional to 243,867.94, 336,424.07 and 157,854.60 is: 217,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,867.94 : 336,424.07 = 157,854.60 : x
  2. Step 2: Convert to fraction form
    243,867.94/336,424.07 = 157,854.60/x
  3. Step 3: Cross multiply
    243,867.94x = 336,424.07 × 157,854.60
  4. Step 4: Simplify right side
    243,867.94x = 53,106,087,394.86
  5. Step 5: Solve for x
    x = 53,106,087,394.86/243,867.94
  6. Step 6: Final answer
    x = 217,765.76

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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.