Home / 187,607.84-281,403.04-69,271.52

Finding the Fourth Proportional to 187,607.84, 281,403.04 and 69,271.52

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Solution

The fourth proportional to 187,607.84, 281,403.04 and 69,271.52 is: 103,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,607.84 : 281,403.04 = 69,271.52 : x
  2. Step 2: Convert to fraction form
    187,607.84/281,403.04 = 69,271.52/x
  3. Step 3: Cross multiply
    187,607.84x = 281,403.04 × 69,271.52
  4. Step 4: Simplify right side
    187,607.84x = 19,493,216,313.42
  5. Step 5: Solve for x
    x = 19,493,216,313.42/187,607.84
  6. Step 6: Final answer
    x = 103,904.06

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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.