Home / 106,544.02-147,086.02-77,831.44

Finding the Fourth Proportional to 106,544.02, 147,086.02 and 77,831.44

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Solution

The fourth proportional to 106,544.02, 147,086.02 and 77,831.44 is: 107,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,544.02 : 147,086.02 = 77,831.44 : x
  2. Step 2: Convert to fraction form
    106,544.02/147,086.02 = 77,831.44/x
  3. Step 3: Cross multiply
    106,544.02x = 147,086.02 × 77,831.44
  4. Step 4: Simplify right side
    106,544.02x = 11,447,916,005.04
  5. Step 5: Solve for x
    x = 11,447,916,005.04/106,544.02
  6. Step 6: Final answer
    x = 107,447.76

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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.