Home / 189,397.04-261,363.92-103,353.17

Finding the Fourth Proportional to 189,397.04, 261,363.92 and 103,353.17

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Solution

The fourth proportional to 189,397.04, 261,363.92 and 103,353.17 is: 142,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,397.04 : 261,363.92 = 103,353.17 : x
  2. Step 2: Convert to fraction form
    189,397.04/261,363.92 = 103,353.17/x
  3. Step 3: Cross multiply
    189,397.04x = 261,363.92 × 103,353.17
  4. Step 4: Simplify right side
    189,397.04x = 27,012,787,832.04
  5. Step 5: Solve for x
    x = 27,012,787,832.04/189,397.04
  6. Step 6: Final answer
    x = 142,625.19

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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.