Home / 176,724.50-265,116.51-81,916.25

Finding the Fourth Proportional to 176,724.50, 265,116.51 and 81,916.25

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Solution

The fourth proportional to 176,724.50, 265,116.51 and 81,916.25 is: 122,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,724.50 : 265,116.51 = 81,916.25 : x
  2. Step 2: Convert to fraction form
    176,724.50/265,116.51 = 81,916.25/x
  3. Step 3: Cross multiply
    176,724.50x = 265,116.51 × 81,916.25
  4. Step 4: Simplify right side
    176,724.50x = 21,717,348,986.70
  5. Step 5: Solve for x
    x = 21,717,348,986.70/176,724.50
  6. Step 6: Final answer
    x = 122,888.17

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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.