Home / 124,107.12-185,993.01-88,969.32

Finding the Fourth Proportional to 124,107.12, 185,993.01 and 88,969.32

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Solution

The fourth proportional to 124,107.12, 185,993.01 and 88,969.32 is: 133,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,107.12 : 185,993.01 = 88,969.32 : x
  2. Step 2: Convert to fraction form
    124,107.12/185,993.01 = 88,969.32/x
  3. Step 3: Cross multiply
    124,107.12x = 185,993.01 × 88,969.32
  4. Step 4: Simplify right side
    124,107.12x = 16,547,671,624.45
  5. Step 5: Solve for x
    x = 16,547,671,624.45/124,107.12
  6. Step 6: Final answer
    x = 133,333.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.