Home / 369,112.40-553,668.60-88,629.65

Finding the Fourth Proportional to 369,112.40, 553,668.60 and 88,629.65

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Solution

The fourth proportional to 369,112.40, 553,668.60 and 88,629.65 is: 132,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,112.40 : 553,668.60 = 88,629.65 : x
  2. Step 2: Convert to fraction form
    369,112.40/553,668.60 = 88,629.65/x
  3. Step 3: Cross multiply
    369,112.40x = 553,668.60 × 88,629.65
  4. Step 4: Simplify right side
    369,112.40x = 49,071,454,233.99
  5. Step 5: Solve for x
    x = 49,071,454,233.99/369,112.40
  6. Step 6: Final answer
    x = 132,944.48

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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.