Home / 125,763.96-189,394.71-113,426.04

Finding the Fourth Proportional to 125,763.96, 189,394.71 and 113,426.04

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Solution

The fourth proportional to 125,763.96, 189,394.71 and 113,426.04 is: 170,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,763.96 : 189,394.71 = 113,426.04 : x
  2. Step 2: Convert to fraction form
    125,763.96/189,394.71 = 113,426.04/x
  3. Step 3: Cross multiply
    125,763.96x = 189,394.71 × 113,426.04
  4. Step 4: Simplify right side
    125,763.96x = 21,482,291,952.25
  5. Step 5: Solve for x
    x = 21,482,291,952.25/125,763.96
  6. Step 6: Final answer
    x = 170,814.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.