Home / 169,724.09-234,145.02-105,176.16

Finding the Fourth Proportional to 169,724.09, 234,145.02 and 105,176.16

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Solution

The fourth proportional to 169,724.09, 234,145.02 and 105,176.16 is: 145,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,724.09 : 234,145.02 = 105,176.16 : x
  2. Step 2: Convert to fraction form
    169,724.09/234,145.02 = 105,176.16/x
  3. Step 3: Cross multiply
    169,724.09x = 234,145.02 × 105,176.16
  4. Step 4: Simplify right side
    169,724.09x = 24,626,474,086.72
  5. Step 5: Solve for x
    x = 24,626,474,086.72/169,724.09
  6. Step 6: Final answer
    x = 145,097.11

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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.