Home / 116,948.16-175,478.40-91,831.68

Finding the Fourth Proportional to 116,948.16, 175,478.40 and 91,831.68

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Solution

The fourth proportional to 116,948.16, 175,478.40 and 91,831.68 is: 137,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,948.16 : 175,478.40 = 91,831.68 : x
  2. Step 2: Convert to fraction form
    116,948.16/175,478.40 = 91,831.68/x
  3. Step 3: Cross multiply
    116,948.16x = 175,478.40 × 91,831.68
  4. Step 4: Simplify right side
    116,948.16x = 16,114,476,275.71
  5. Step 5: Solve for x
    x = 16,114,476,275.71/116,948.16
  6. Step 6: Final answer
    x = 137,791.62

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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.