Home / 175,941.10-242,831.22-100,489.60

Finding the Fourth Proportional to 175,941.10, 242,831.22 and 100,489.60

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Solution

The fourth proportional to 175,941.10, 242,831.22 and 100,489.60 is: 138,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,941.10 : 242,831.22 = 100,489.60 : x
  2. Step 2: Convert to fraction form
    175,941.10/242,831.22 = 100,489.60/x
  3. Step 3: Cross multiply
    175,941.10x = 242,831.22 × 100,489.60
  4. Step 4: Simplify right side
    175,941.10x = 24,402,012,165.31
  5. Step 5: Solve for x
    x = 24,402,012,165.31/175,941.10
  6. Step 6: Final answer
    x = 138,694.21

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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.