Home / 386,747.93-579,528.51-161,985.39

Finding the Fourth Proportional to 386,747.93, 579,528.51 and 161,985.39

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Solution

The fourth proportional to 386,747.93, 579,528.51 and 161,985.39 is: 242,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,747.93 : 579,528.51 = 161,985.39 : x
  2. Step 2: Convert to fraction form
    386,747.93/579,528.51 = 161,985.39/x
  3. Step 3: Cross multiply
    386,747.93x = 579,528.51 × 161,985.39
  4. Step 4: Simplify right side
    386,747.93x = 93,875,151,708.47
  5. Step 5: Solve for x
    x = 93,875,151,708.47/386,747.93
  6. Step 6: Final answer
    x = 242,729.55

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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.