Home / 123,809.29-185,607.35-52,666.79

Finding the Fourth Proportional to 123,809.29, 185,607.35 and 52,666.79

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Solution

The fourth proportional to 123,809.29, 185,607.35 and 52,666.79 is: 78,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809.29 : 185,607.35 = 52,666.79 : x
  2. Step 2: Convert to fraction form
    123,809.29/185,607.35 = 52,666.79/x
  3. Step 3: Cross multiply
    123,809.29x = 185,607.35 × 52,666.79
  4. Step 4: Simplify right side
    123,809.29x = 9,775,342,992.56
  5. Step 5: Solve for x
    x = 9,775,342,992.56/123,809.29
  6. Step 6: Final answer
    x = 78,954.84

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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.