Home / 132,738.12-183,177.18-76,158.36

Finding the Fourth Proportional to 132,738.12, 183,177.18 and 76,158.36

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Solution

The fourth proportional to 132,738.12, 183,177.18 and 76,158.36 is: 105,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,738.12 : 183,177.18 = 76,158.36 : x
  2. Step 2: Convert to fraction form
    132,738.12/183,177.18 = 76,158.36/x
  3. Step 3: Cross multiply
    132,738.12x = 183,177.18 × 76,158.36
  4. Step 4: Simplify right side
    132,738.12x = 13,950,473,618.22
  5. Step 5: Solve for x
    x = 13,950,473,618.22/132,738.12
  6. Step 6: Final answer
    x = 105,097.72

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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.