Home / 176,675.19-243,948.63-135,774.54

Finding the Fourth Proportional to 176,675.19, 243,948.63 and 135,774.54

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Solution

The fourth proportional to 176,675.19, 243,948.63 and 135,774.54 is: 187,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,675.19 : 243,948.63 = 135,774.54 : x
  2. Step 2: Convert to fraction form
    176,675.19/243,948.63 = 135,774.54/x
  3. Step 3: Cross multiply
    176,675.19x = 243,948.63 × 135,774.54
  4. Step 4: Simplify right side
    176,675.19x = 33,122,013,021.88
  5. Step 5: Solve for x
    x = 33,122,013,021.88/176,675.19
  6. Step 6: Final answer
    x = 187,474.05

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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.