Home / 386,127.18-579,184.57-119,887.96

Finding the Fourth Proportional to 386,127.18, 579,184.57 and 119,887.96

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Solution

The fourth proportional to 386,127.18, 579,184.57 and 119,887.96 is: 179,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,127.18 : 579,184.57 = 119,887.96 : x
  2. Step 2: Convert to fraction form
    386,127.18/579,184.57 = 119,887.96/x
  3. Step 3: Cross multiply
    386,127.18x = 579,184.57 × 119,887.96
  4. Step 4: Simplify right side
    386,127.18x = 69,437,255,262.68
  5. Step 5: Solve for x
    x = 69,437,255,262.68/386,127.18
  6. Step 6: Final answer
    x = 179,830.01

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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.