Home / 132,266.36-182,499.18-78,569.48

Finding the Fourth Proportional to 132,266.36, 182,499.18 and 78,569.48

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Solution

The fourth proportional to 132,266.36, 182,499.18 and 78,569.48 is: 108,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,266.36 : 182,499.18 = 78,569.48 : x
  2. Step 2: Convert to fraction form
    132,266.36/182,499.18 = 78,569.48/x
  3. Step 3: Cross multiply
    132,266.36x = 182,499.18 × 78,569.48
  4. Step 4: Simplify right side
    132,266.36x = 14,338,865,673.03
  5. Step 5: Solve for x
    x = 14,338,865,673.03/132,266.36
  6. Step 6: Final answer
    x = 108,409.01

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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.