Home / 117,153.36-175,732.20-42,279.12

Finding the Fourth Proportional to 117,153.36, 175,732.20 and 42,279.12

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Solution

The fourth proportional to 117,153.36, 175,732.20 and 42,279.12 is: 63,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,153.36 : 175,732.20 = 42,279.12 : x
  2. Step 2: Convert to fraction form
    117,153.36/175,732.20 = 42,279.12/x
  3. Step 3: Cross multiply
    117,153.36x = 175,732.20 × 42,279.12
  4. Step 4: Simplify right side
    117,153.36x = 7,429,802,771.66
  5. Step 5: Solve for x
    x = 7,429,802,771.66/117,153.36
  6. Step 6: Final answer
    x = 63,419.46

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1.5x scale

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.