Home / 132,131.02-182,296.66-74,762.36

Finding the Fourth Proportional to 132,131.02, 182,296.66 and 74,762.36

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Solution

The fourth proportional to 132,131.02, 182,296.66 and 74,762.36 is: 103,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.02 : 182,296.66 = 74,762.36 : x
  2. Step 2: Convert to fraction form
    132,131.02/182,296.66 = 74,762.36/x
  3. Step 3: Cross multiply
    132,131.02x = 182,296.66 × 74,762.36
  4. Step 4: Simplify right side
    132,131.02x = 13,628,928,521.72
  5. Step 5: Solve for x
    x = 13,628,928,521.72/132,131.02
  6. Step 6: Final answer
    x = 103,147.08

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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.