Home / 117,853.02-162,634.88-65,463.12

Finding the Fourth Proportional to 117,853.02, 162,634.88 and 65,463.12

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Solution

The fourth proportional to 117,853.02, 162,634.88 and 65,463.12 is: 90,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.02 : 162,634.88 = 65,463.12 : x
  2. Step 2: Convert to fraction form
    117,853.02/162,634.88 = 65,463.12/x
  3. Step 3: Cross multiply
    117,853.02x = 162,634.88 × 65,463.12
  4. Step 4: Simplify right side
    117,853.02x = 10,646,586,665.63
  5. Step 5: Solve for x
    x = 10,646,586,665.63/117,853.02
  6. Step 6: Final answer
    x = 90,337.83

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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.