Home / 259,867.35-358,642.22-157,870.53

Finding the Fourth Proportional to 259,867.35, 358,642.22 and 157,870.53

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Solution

The fourth proportional to 259,867.35, 358,642.22 and 157,870.53 is: 217,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,867.35 : 358,642.22 = 157,870.53 : x
  2. Step 2: Convert to fraction form
    259,867.35/358,642.22 = 157,870.53/x
  3. Step 3: Cross multiply
    259,867.35x = 358,642.22 × 157,870.53
  4. Step 4: Simplify right side
    259,867.35x = 56,619,036,562.42
  5. Step 5: Solve for x
    x = 56,619,036,562.42/259,867.35
  6. Step 6: Final answer
    x = 217,876.68

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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.