Home / 132,274.95-182,433.81-86,999.41

Finding the Fourth Proportional to 132,274.95, 182,433.81 and 86,999.41

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Solution

The fourth proportional to 132,274.95, 182,433.81 and 86,999.41 is: 119,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,274.95 : 182,433.81 = 86,999.41 : x
  2. Step 2: Convert to fraction form
    132,274.95/182,433.81 = 86,999.41/x
  3. Step 3: Cross multiply
    132,274.95x = 182,433.81 × 86,999.41
  4. Step 4: Simplify right side
    132,274.95x = 15,871,633,834.05
  5. Step 5: Solve for x
    x = 15,871,633,834.05/132,274.95
  6. Step 6: Final answer
    x = 119,989.72

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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.