Home / 235,117.40-324,498.66-133,148.12

Finding the Fourth Proportional to 235,117.40, 324,498.66 and 133,148.12

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Solution

The fourth proportional to 235,117.40, 324,498.66 and 133,148.12 is: 183,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,117.40 : 324,498.66 = 133,148.12 : x
  2. Step 2: Convert to fraction form
    235,117.40/324,498.66 = 133,148.12/x
  3. Step 3: Cross multiply
    235,117.40x = 324,498.66 × 133,148.12
  4. Step 4: Simplify right side
    235,117.40x = 43,206,386,521.52
  5. Step 5: Solve for x
    x = 43,206,386,521.52/235,117.40
  6. Step 6: Final answer
    x = 183,765.16

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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.