Home / 132,285.72-182,557.58-71,856.34

Finding the Fourth Proportional to 132,285.72, 182,557.58 and 71,856.34

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Solution

The fourth proportional to 132,285.72, 182,557.58 and 71,856.34 is: 99,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.72 : 182,557.58 = 71,856.34 : x
  2. Step 2: Convert to fraction form
    132,285.72/182,557.58 = 71,856.34/x
  3. Step 3: Cross multiply
    132,285.72x = 182,557.58 × 71,856.34
  4. Step 4: Simplify right side
    132,285.72x = 13,117,919,538.06
  5. Step 5: Solve for x
    x = 13,117,919,538.06/132,285.72
  6. Step 6: Final answer
    x = 99,163.53

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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.