Home / 132,090.21-182,284.47-75,502.80

Finding the Fourth Proportional to 132,090.21, 182,284.47 and 75,502.80

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Solution

The fourth proportional to 132,090.21, 182,284.47 and 75,502.80 is: 104,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090.21 : 182,284.47 = 75,502.80 : x
  2. Step 2: Convert to fraction form
    132,090.21/182,284.47 = 75,502.80/x
  3. Step 3: Cross multiply
    132,090.21x = 182,284.47 × 75,502.80
  4. Step 4: Simplify right side
    132,090.21x = 13,762,987,881.52
  5. Step 5: Solve for x
    x = 13,762,987,881.52/132,090.21
  6. Step 6: Final answer
    x = 104,193.85

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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.