Home / 170,911.84-235,851.04-98,309.20

Finding the Fourth Proportional to 170,911.84, 235,851.04 and 98,309.20

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Solution

The fourth proportional to 170,911.84, 235,851.04 and 98,309.20 is: 135,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,911.84 : 235,851.04 = 98,309.20 : x
  2. Step 2: Convert to fraction form
    170,911.84/235,851.04 = 98,309.20/x
  3. Step 3: Cross multiply
    170,911.84x = 235,851.04 × 98,309.20
  4. Step 4: Simplify right side
    170,911.84x = 23,186,327,061.57
  5. Step 5: Solve for x
    x = 23,186,327,061.57/170,911.84
  6. Step 6: Final answer
    x = 135,662.50

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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.