Home / 117,389.52-162,030.78-96,219.36

Finding the Fourth Proportional to 117,389.52, 162,030.78 and 96,219.36

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Solution

The fourth proportional to 117,389.52, 162,030.78 and 96,219.36 is: 132,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,389.52 : 162,030.78 = 96,219.36 : x
  2. Step 2: Convert to fraction form
    117,389.52/162,030.78 = 96,219.36/x
  3. Step 3: Cross multiply
    117,389.52x = 162,030.78 × 96,219.36
  4. Step 4: Simplify right side
    117,389.52x = 15,590,497,951.90
  5. Step 5: Solve for x
    x = 15,590,497,951.90/117,389.52
  6. Step 6: Final answer
    x = 132,809.96

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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.