Home / 141,831.16-195,721.24-77,299.03

Finding the Fourth Proportional to 141,831.16, 195,721.24 and 77,299.03

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Solution

The fourth proportional to 141,831.16, 195,721.24 and 77,299.03 is: 106,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.16 : 195,721.24 = 77,299.03 : x
  2. Step 2: Convert to fraction form
    141,831.16/195,721.24 = 77,299.03/x
  3. Step 3: Cross multiply
    141,831.16x = 195,721.24 × 77,299.03
  4. Step 4: Simplify right side
    141,831.16x = 15,129,062,002.40
  5. Step 5: Solve for x
    x = 15,129,062,002.40/141,831.16
  6. Step 6: Final answer
    x = 106,669.52

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1.5x scale

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.