Home / 114,837.40-158,622.78-88,305.40

Finding the Fourth Proportional to 114,837.40, 158,622.78 and 88,305.40

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Solution

The fourth proportional to 114,837.40, 158,622.78 and 88,305.40 is: 121,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,837.40 : 158,622.78 = 88,305.40 : x
  2. Step 2: Convert to fraction form
    114,837.40/158,622.78 = 88,305.40/x
  3. Step 3: Cross multiply
    114,837.40x = 158,622.78 × 88,305.40
  4. Step 4: Simplify right side
    114,837.40x = 14,007,248,037.01
  5. Step 5: Solve for x
    x = 14,007,248,037.01/114,837.40
  6. Step 6: Final answer
    x = 121,974.62

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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.