Home / 131,993.64-182,151.81-71,564.22

Finding the Fourth Proportional to 131,993.64, 182,151.81 and 71,564.22

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Solution

The fourth proportional to 131,993.64, 182,151.81 and 71,564.22 is: 98,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993.64 : 182,151.81 = 71,564.22 : x
  2. Step 2: Convert to fraction form
    131,993.64/182,151.81 = 71,564.22/x
  3. Step 3: Cross multiply
    131,993.64x = 182,151.81 × 71,564.22
  4. Step 4: Simplify right side
    131,993.64x = 13,035,552,204.24
  5. Step 5: Solve for x
    x = 13,035,552,204.24/131,993.64
  6. Step 6: Final answer
    x = 98,758.94

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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.