Home / 132,741.12-183,176.80-77,555.56

Finding the Fourth Proportional to 132,741.12, 183,176.80 and 77,555.56

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Solution

The fourth proportional to 132,741.12, 183,176.80 and 77,555.56 is: 107,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,741.12 : 183,176.80 = 77,555.56 : x
  2. Step 2: Convert to fraction form
    132,741.12/183,176.80 = 77,555.56/x
  3. Step 3: Cross multiply
    132,741.12x = 183,176.80 × 77,555.56
  4. Step 4: Simplify right side
    132,741.12x = 14,206,379,303.01
  5. Step 5: Solve for x
    x = 14,206,379,303.01/132,741.12
  6. Step 6: Final answer
    x = 107,023.20

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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.