Home / 121,802.54-182,697.73-42,910.16

Finding the Fourth Proportional to 121,802.54, 182,697.73 and 42,910.16

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Solution

The fourth proportional to 121,802.54, 182,697.73 and 42,910.16 is: 64,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,802.54 : 182,697.73 = 42,910.16 : x
  2. Step 2: Convert to fraction form
    121,802.54/182,697.73 = 42,910.16/x
  3. Step 3: Cross multiply
    121,802.54x = 182,697.73 × 42,910.16
  4. Step 4: Simplify right side
    121,802.54x = 7,839,587,805.17
  5. Step 5: Solve for x
    x = 7,839,587,805.17/121,802.54
  6. Step 6: Final answer
    x = 64,363.09

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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.