Home / 175,869.40-263,801.72-42,749.28

Finding the Fourth Proportional to 175,869.40, 263,801.72 and 42,749.28

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Solution

The fourth proportional to 175,869.40, 263,801.72 and 42,749.28 is: 64,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,869.40 : 263,801.72 = 42,749.28 : x
  2. Step 2: Convert to fraction form
    175,869.40/263,801.72 = 42,749.28/x
  3. Step 3: Cross multiply
    175,869.40x = 263,801.72 × 42,749.28
  4. Step 4: Simplify right side
    175,869.40x = 11,277,333,592.76
  5. Step 5: Solve for x
    x = 11,277,333,592.76/175,869.40
  6. Step 6: Final answer
    x = 64,123.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.