Home / 187,756.37-281,631.47-45,602.81

Finding the Fourth Proportional to 187,756.37, 281,631.47 and 45,602.81

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Solution

The fourth proportional to 187,756.37, 281,631.47 and 45,602.81 is: 68,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,756.37 : 281,631.47 = 45,602.81 : x
  2. Step 2: Convert to fraction form
    187,756.37/281,631.47 = 45,602.81/x
  3. Step 3: Cross multiply
    187,756.37x = 281,631.47 × 45,602.81
  4. Step 4: Simplify right side
    187,756.37x = 12,843,186,188.42
  5. Step 5: Solve for x
    x = 12,843,186,188.42/187,756.37
  6. Step 6: Final answer
    x = 68,403.46

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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.