Home / 132,780.24-183,235.09-72,349.33

Finding the Fourth Proportional to 132,780.24, 183,235.09 and 72,349.33

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Solution

The fourth proportional to 132,780.24, 183,235.09 and 72,349.33 is: 99,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.24 : 183,235.09 = 72,349.33 : x
  2. Step 2: Convert to fraction form
    132,780.24/183,235.09 = 72,349.33/x
  3. Step 3: Cross multiply
    132,780.24x = 183,235.09 × 72,349.33
  4. Step 4: Simplify right side
    132,780.24x = 13,256,935,993.99
  5. Step 5: Solve for x
    x = 13,256,935,993.99/132,780.24
  6. Step 6: Final answer
    x = 99,841.18

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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.