Home / 117,864.68-162,653.25-64,150.08

Finding the Fourth Proportional to 117,864.68, 162,653.25 and 64,150.08

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Solution

The fourth proportional to 117,864.68, 162,653.25 and 64,150.08 is: 88,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.68 : 162,653.25 = 64,150.08 : x
  2. Step 2: Convert to fraction form
    117,864.68/162,653.25 = 64,150.08/x
  3. Step 3: Cross multiply
    117,864.68x = 162,653.25 × 64,150.08
  4. Step 4: Simplify right side
    117,864.68x = 10,434,218,799.29
  5. Step 5: Solve for x
    x = 10,434,218,799.29/117,864.68
  6. Step 6: Final answer
    x = 88,527.11

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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.