Home / 117,002.88-161,505.90-69,256.62

Finding the Fourth Proportional to 117,002.88, 161,505.90 and 69,256.62

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Solution

The fourth proportional to 117,002.88, 161,505.90 and 69,256.62 is: 95,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,002.88 : 161,505.90 = 69,256.62 : x
  2. Step 2: Convert to fraction form
    117,002.88/161,505.90 = 69,256.62/x
  3. Step 3: Cross multiply
    117,002.88x = 161,505.90 × 69,256.62
  4. Step 4: Simplify right side
    117,002.88x = 11,185,352,744.06
  5. Step 5: Solve for x
    x = 11,185,352,744.06/117,002.88
  6. Step 6: Final answer
    x = 95,598.95

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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.