Home / 207,041.34-285,727.32-126,455.82

Finding the Fourth Proportional to 207,041.34, 285,727.32 and 126,455.82

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Solution

The fourth proportional to 207,041.34, 285,727.32 and 126,455.82 is: 174,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,041.34 : 285,727.32 = 126,455.82 : x
  2. Step 2: Convert to fraction form
    207,041.34/285,727.32 = 126,455.82/x
  3. Step 3: Cross multiply
    207,041.34x = 285,727.32 × 126,455.82
  4. Step 4: Simplify right side
    207,041.34x = 36,131,882,547.00
  5. Step 5: Solve for x
    x = 36,131,882,547.00/207,041.34
  6. Step 6: Final answer
    x = 174,515.30

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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.