Home / 225,547.10-311,250.23-123,567.59

Finding the Fourth Proportional to 225,547.10, 311,250.23 and 123,567.59

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Solution

The fourth proportional to 225,547.10, 311,250.23 and 123,567.59 is: 170,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,547.10 : 311,250.23 = 123,567.59 : x
  2. Step 2: Convert to fraction form
    225,547.10/311,250.23 = 123,567.59/x
  3. Step 3: Cross multiply
    225,547.10x = 311,250.23 × 123,567.59
  4. Step 4: Simplify right side
    225,547.10x = 38,460,438,633.96
  5. Step 5: Solve for x
    x = 38,460,438,633.96/225,547.10
  6. Step 6: Final answer
    x = 170,520.66

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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.