Home / 119,968.16-165,557.30-66,254.52

Finding the Fourth Proportional to 119,968.16, 165,557.30 and 66,254.52

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Solution

The fourth proportional to 119,968.16, 165,557.30 and 66,254.52 is: 91,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,968.16 : 165,557.30 = 66,254.52 : x
  2. Step 2: Convert to fraction form
    119,968.16/165,557.30 = 66,254.52/x
  3. Step 3: Cross multiply
    119,968.16x = 165,557.30 × 66,254.52
  4. Step 4: Simplify right side
    119,968.16x = 10,968,919,444.00
  5. Step 5: Solve for x
    x = 10,968,919,444.00/119,968.16
  6. Step 6: Final answer
    x = 91,431.92

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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.