Home / 305,974.03-422,123.20-176,888.76

Finding the Fourth Proportional to 305,974.03, 422,123.20 and 176,888.76

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Solution

The fourth proportional to 305,974.03, 422,123.20 and 176,888.76 is: 244,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,974.03 : 422,123.20 = 176,888.76 : x
  2. Step 2: Convert to fraction form
    305,974.03/422,123.20 = 176,888.76/x
  3. Step 3: Cross multiply
    305,974.03x = 422,123.20 × 176,888.76
  4. Step 4: Simplify right side
    305,974.03x = 74,668,849,415.23
  5. Step 5: Solve for x
    x = 74,668,849,415.23/305,974.03
  6. Step 6: Final answer
    x = 244,036.56

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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.