Home / 245,306.45-338,632.23-172,774.59

Finding the Fourth Proportional to 245,306.45, 338,632.23 and 172,774.59

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Solution

The fourth proportional to 245,306.45, 338,632.23 and 172,774.59 is: 238,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,306.45 : 338,632.23 = 172,774.59 : x
  2. Step 2: Convert to fraction form
    245,306.45/338,632.23 = 172,774.59/x
  3. Step 3: Cross multiply
    245,306.45x = 338,632.23 × 172,774.59
  4. Step 4: Simplify right side
    245,306.45x = 58,507,044,699.04
  5. Step 5: Solve for x
    x = 58,507,044,699.04/245,306.45
  6. Step 6: Final answer
    x = 238,505.94

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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.