Home / 207,306.90-285,940.37-126,774.05

Finding the Fourth Proportional to 207,306.90, 285,940.37 and 126,774.05

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Solution

The fourth proportional to 207,306.90, 285,940.37 and 126,774.05 is: 174,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,306.90 : 285,940.37 = 126,774.05 : x
  2. Step 2: Convert to fraction form
    207,306.90/285,940.37 = 126,774.05/x
  3. Step 3: Cross multiply
    207,306.90x = 285,940.37 × 126,774.05
  4. Step 4: Simplify right side
    207,306.90x = 36,249,816,699.83
  5. Step 5: Solve for x
    x = 36,249,816,699.83/207,306.90
  6. Step 6: Final answer
    x = 174,860.64

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1.5x scale

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.