Home / 132,390.15-182,693.93-75,790.59

Finding the Fourth Proportional to 132,390.15, 182,693.93 and 75,790.59

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Solution

The fourth proportional to 132,390.15, 182,693.93 and 75,790.59 is: 104,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,390.15 : 182,693.93 = 75,790.59 : x
  2. Step 2: Convert to fraction form
    132,390.15/182,693.93 = 75,790.59/x
  3. Step 3: Cross multiply
    132,390.15x = 182,693.93 × 75,790.59
  4. Step 4: Simplify right side
    132,390.15x = 13,846,480,106.39
  5. Step 5: Solve for x
    x = 13,846,480,106.39/132,390.15
  6. Step 6: Final answer
    x = 104,588.45

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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.