Home / 117,334.07-161,919.51-63,618.92

Finding the Fourth Proportional to 117,334.07, 161,919.51 and 63,618.92

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Solution

The fourth proportional to 117,334.07, 161,919.51 and 63,618.92 is: 87,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.07 : 161,919.51 = 63,618.92 : x
  2. Step 2: Convert to fraction form
    117,334.07/161,919.51 = 63,618.92/x
  3. Step 3: Cross multiply
    117,334.07x = 161,919.51 × 63,618.92
  4. Step 4: Simplify right side
    117,334.07x = 10,301,144,353.13
  5. Step 5: Solve for x
    x = 10,301,144,353.13/117,334.07
  6. Step 6: Final answer
    x = 87,793.29

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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.