Home / 227,618.18-314,113.08-125,643.65

Finding the Fourth Proportional to 227,618.18, 314,113.08 and 125,643.65

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Solution

The fourth proportional to 227,618.18, 314,113.08 and 125,643.65 is: 173,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,618.18 : 314,113.08 = 125,643.65 : x
  2. Step 2: Convert to fraction form
    227,618.18/314,113.08 = 125,643.65/x
  3. Step 3: Cross multiply
    227,618.18x = 314,113.08 × 125,643.65
  4. Step 4: Simplify right side
    227,618.18x = 39,466,313,883.94
  5. Step 5: Solve for x
    x = 39,466,313,883.94/227,618.18
  6. Step 6: Final answer
    x = 173,388.23

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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.