Home / 259,895.84-358,687.38-157,937.96

Finding the Fourth Proportional to 259,895.84, 358,687.38 and 157,937.96

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Solution

The fourth proportional to 259,895.84, 358,687.38 and 157,937.96 is: 217,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,895.84 : 358,687.38 = 157,937.96 : x
  2. Step 2: Convert to fraction form
    259,895.84/358,687.38 = 157,937.96/x
  3. Step 3: Cross multiply
    259,895.84x = 358,687.38 × 157,937.96
  4. Step 4: Simplify right side
    259,895.84x = 56,650,353,074.94
  5. Step 5: Solve for x
    x = 56,650,353,074.94/259,895.84
  6. Step 6: Final answer
    x = 217,973.30

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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.