Home / 132,818.04-183,283.54-72,387.38

Finding the Fourth Proportional to 132,818.04, 183,283.54 and 72,387.38

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Solution

The fourth proportional to 132,818.04, 183,283.54 and 72,387.38 is: 99,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,818.04 : 183,283.54 = 72,387.38 : x
  2. Step 2: Convert to fraction form
    132,818.04/183,283.54 = 72,387.38/x
  3. Step 3: Cross multiply
    132,818.04x = 183,283.54 × 72,387.38
  4. Step 4: Simplify right side
    132,818.04x = 13,267,415,534.97
  5. Step 5: Solve for x
    x = 13,267,415,534.97/132,818.04
  6. Step 6: Final answer
    x = 99,891.67

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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.