Home / 285,555.80-393,962.76-170,837.75

Finding the Fourth Proportional to 285,555.80, 393,962.76 and 170,837.75

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Solution

The fourth proportional to 285,555.80, 393,962.76 and 170,837.75 is: 235,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,555.80 : 393,962.76 = 170,837.75 : x
  2. Step 2: Convert to fraction form
    285,555.80/393,962.76 = 170,837.75/x
  3. Step 3: Cross multiply
    285,555.80x = 393,962.76 × 170,837.75
  4. Step 4: Simplify right side
    285,555.80x = 67,303,709,532.38
  5. Step 5: Solve for x
    x = 67,303,709,532.38/285,555.80
  6. Step 6: Final answer
    x = 235,693.73

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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.