Home / 119,801.60-165,327.36-66,088.88

Finding the Fourth Proportional to 119,801.60, 165,327.36 and 66,088.88

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Solution

The fourth proportional to 119,801.60, 165,327.36 and 66,088.88 is: 91,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,801.60 : 165,327.36 = 66,088.88 : x
  2. Step 2: Convert to fraction form
    119,801.60/165,327.36 = 66,088.88/x
  3. Step 3: Cross multiply
    119,801.60x = 165,327.36 × 66,088.88
  4. Step 4: Simplify right side
    119,801.60x = 10,926,300,055.76
  5. Step 5: Solve for x
    x = 10,926,300,055.76/119,801.60
  6. Step 6: Final answer
    x = 91,203.29

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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.