Home / 207,943.72-286,891.86-169,637.05

Finding the Fourth Proportional to 207,943.72, 286,891.86 and 169,637.05

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Solution

The fourth proportional to 207,943.72, 286,891.86 and 169,637.05 is: 234,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,943.72 : 286,891.86 = 169,637.05 : x
  2. Step 2: Convert to fraction form
    207,943.72/286,891.86 = 169,637.05/x
  3. Step 3: Cross multiply
    207,943.72x = 286,891.86 × 169,637.05
  4. Step 4: Simplify right side
    207,943.72x = 48,667,487,271.81
  5. Step 5: Solve for x
    x = 48,667,487,271.81/207,943.72
  6. Step 6: Final answer
    x = 234,041.63

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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.