Home / 225,547.43-311,240.87-123,572.75

Finding the Fourth Proportional to 225,547.43, 311,240.87 and 123,572.75

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Solution

The fourth proportional to 225,547.43, 311,240.87 and 123,572.75 is: 170,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,547.43 : 311,240.87 = 123,572.75 : x
  2. Step 2: Convert to fraction form
    225,547.43/311,240.87 = 123,572.75/x
  3. Step 3: Cross multiply
    225,547.43x = 311,240.87 × 123,572.75
  4. Step 4: Simplify right side
    225,547.43x = 38,460,888,044.22
  5. Step 5: Solve for x
    x = 38,460,888,044.22/225,547.43
  6. Step 6: Final answer
    x = 170,522.40

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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.