Home / 137,066.04-189,155.25-75,813.03

Finding the Fourth Proportional to 137,066.04, 189,155.25 and 75,813.03

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Solution

The fourth proportional to 137,066.04, 189,155.25 and 75,813.03 is: 104,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,066.04 : 189,155.25 = 75,813.03 : x
  2. Step 2: Convert to fraction form
    137,066.04/189,155.25 = 75,813.03/x
  3. Step 3: Cross multiply
    137,066.04x = 189,155.25 × 75,813.03
  4. Step 4: Simplify right side
    137,066.04x = 14,340,432,642.91
  5. Step 5: Solve for x
    x = 14,340,432,642.91/137,066.04
  6. Step 6: Final answer
    x = 104,624.26

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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.