Home / 199,376.25-275,155.59-113,362.22

Finding the Fourth Proportional to 199,376.25, 275,155.59 and 113,362.22

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Solution

The fourth proportional to 199,376.25, 275,155.59 and 113,362.22 is: 156,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,376.25 : 275,155.59 = 113,362.22 : x
  2. Step 2: Convert to fraction form
    199,376.25/275,155.59 = 113,362.22/x
  3. Step 3: Cross multiply
    199,376.25x = 275,155.59 × 113,362.22
  4. Step 4: Simplify right side
    199,376.25x = 31,192,249,215.70
  5. Step 5: Solve for x
    x = 31,192,249,215.70/199,376.25
  6. Step 6: Final answer
    x = 156,449.17

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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.