Home / 132,806.28-183,267.33-72,375.63

Finding the Fourth Proportional to 132,806.28, 183,267.33 and 72,375.63

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Solution

The fourth proportional to 132,806.28, 183,267.33 and 72,375.63 is: 99,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,806.28 : 183,267.33 = 72,375.63 : x
  2. Step 2: Convert to fraction form
    132,806.28/183,267.33 = 72,375.63/x
  3. Step 3: Cross multiply
    132,806.28x = 183,267.33 × 72,375.63
  4. Step 4: Simplify right side
    132,806.28x = 13,264,087,508.51
  5. Step 5: Solve for x
    x = 13,264,087,508.51/132,806.28
  6. Step 6: Final answer
    x = 99,875.45

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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.