Home / 132,749.34-183,193.36-72,319.83

Finding the Fourth Proportional to 132,749.34, 183,193.36 and 72,319.83

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Solution

The fourth proportional to 132,749.34, 183,193.36 and 72,319.83 is: 99,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,749.34 : 183,193.36 = 72,319.83 : x
  2. Step 2: Convert to fraction form
    132,749.34/183,193.36 = 72,319.83/x
  3. Step 3: Cross multiply
    132,749.34x = 183,193.36 × 72,319.83
  4. Step 4: Simplify right side
    132,749.34x = 13,248,512,652.33
  5. Step 5: Solve for x
    x = 13,248,512,652.33/132,749.34
  6. Step 6: Final answer
    x = 99,800.97

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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.