Home / 132,139.02-182,351.97-71,709.67

Finding the Fourth Proportional to 132,139.02, 182,351.97 and 71,709.67

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Solution

The fourth proportional to 132,139.02, 182,351.97 and 71,709.67 is: 98,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,139.02 : 182,351.97 = 71,709.67 : x
  2. Step 2: Convert to fraction form
    132,139.02/182,351.97 = 71,709.67/x
  3. Step 3: Cross multiply
    132,139.02x = 182,351.97 × 71,709.67
  4. Step 4: Simplify right side
    132,139.02x = 13,076,399,592.55
  5. Step 5: Solve for x
    x = 13,076,399,592.55/132,139.02
  6. Step 6: Final answer
    x = 98,959.41

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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.