Home / 132,684.18-183,102.35-75,323

Finding the Fourth Proportional to 132,684.18, 183,102.35 and 75,323

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Solution

The fourth proportional to 132,684.18, 183,102.35 and 75,323 is: 103,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,684.18 : 183,102.35 = 75,323 : x
  2. Step 2: Convert to fraction form
    132,684.18/183,102.35 = 75,323/x
  3. Step 3: Cross multiply
    132,684.18x = 183,102.35 × 75,323
  4. Step 4: Simplify right side
    132,684.18x = 13,791,818,309.05
  5. Step 5: Solve for x
    x = 13,791,818,309.05/132,684.18
  6. Step 6: Final answer
    x = 103,944.71

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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.