Home / 187,859.42-281,719.02-75,501.62

Finding the Fourth Proportional to 187,859.42, 281,719.02 and 75,501.62

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Solution

The fourth proportional to 187,859.42, 281,719.02 and 75,501.62 is: 113,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,859.42 : 281,719.02 = 75,501.62 : x
  2. Step 2: Convert to fraction form
    187,859.42/281,719.02 = 75,501.62/x
  3. Step 3: Cross multiply
    187,859.42x = 281,719.02 × 75,501.62
  4. Step 4: Simplify right side
    187,859.42x = 21,270,242,394.81
  5. Step 5: Solve for x
    x = 21,270,242,394.81/187,859.42
  6. Step 6: Final answer
    x = 113,224.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.