Home / 132,156.15-198,254.87-43,389.46

Finding the Fourth Proportional to 132,156.15, 198,254.87 and 43,389.46

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Solution

The fourth proportional to 132,156.15, 198,254.87 and 43,389.46 is: 65,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156.15 : 198,254.87 = 43,389.46 : x
  2. Step 2: Convert to fraction form
    132,156.15/198,254.87 = 43,389.46/x
  3. Step 3: Cross multiply
    132,156.15x = 198,254.87 × 43,389.46
  4. Step 4: Simplify right side
    132,156.15x = 8,602,171,751.67
  5. Step 5: Solve for x
    x = 8,602,171,751.67/132,156.15
  6. Step 6: Final answer
    x = 65,090.97

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1.5x scale

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.