Home / 117,802.60-176,574.30-51,231.40

Finding the Fourth Proportional to 117,802.60, 176,574.30 and 51,231.40

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Solution

The fourth proportional to 117,802.60, 176,574.30 and 51,231.40 is: 76,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,802.60 : 176,574.30 = 51,231.40 : x
  2. Step 2: Convert to fraction form
    117,802.60/176,574.30 = 51,231.40/x
  3. Step 3: Cross multiply
    117,802.60x = 176,574.30 × 51,231.40
  4. Step 4: Simplify right side
    117,802.60x = 9,046,148,593.02
  5. Step 5: Solve for x
    x = 9,046,148,593.02/117,802.60
  6. Step 6: Final answer
    x = 76,790.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.