Home / 117,036.28-175,512.90-42,136.31

Finding the Fourth Proportional to 117,036.28, 175,512.90 and 42,136.31

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Solution

The fourth proportional to 117,036.28, 175,512.90 and 42,136.31 is: 63,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,036.28 : 175,512.90 = 42,136.31 : x
  2. Step 2: Convert to fraction form
    117,036.28/175,512.90 = 42,136.31/x
  3. Step 3: Cross multiply
    117,036.28x = 175,512.90 × 42,136.31
  4. Step 4: Simplify right side
    117,036.28x = 7,395,465,963.40
  5. Step 5: Solve for x
    x = 7,395,465,963.40/117,036.28
  6. Step 6: Final answer
    x = 63,189.52

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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.