Home / 103,673.30-155,315.55-96,674.90

Finding the Fourth Proportional to 103,673.30, 155,315.55 and 96,674.90

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Solution

The fourth proportional to 103,673.30, 155,315.55 and 96,674.90 is: 144,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.30 : 155,315.55 = 96,674.90 : x
  2. Step 2: Convert to fraction form
    103,673.30/155,315.55 = 96,674.90/x
  3. Step 3: Cross multiply
    103,673.30x = 155,315.55 × 96,674.90
  4. Step 4: Simplify right side
    103,673.30x = 15,015,115,264.70
  5. Step 5: Solve for x
    x = 15,015,115,264.70/103,673.30
  6. Step 6: Final answer
    x = 144,831.07

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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.