Home / 185,988.42-256,666.57-101,107.31

Finding the Fourth Proportional to 185,988.42, 256,666.57 and 101,107.31

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Solution

The fourth proportional to 185,988.42, 256,666.57 and 101,107.31 is: 139,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,988.42 : 256,666.57 = 101,107.31 : x
  2. Step 2: Convert to fraction form
    185,988.42/256,666.57 = 101,107.31/x
  3. Step 3: Cross multiply
    185,988.42x = 256,666.57 × 101,107.31
  4. Step 4: Simplify right side
    185,988.42x = 25,950,865,492.25
  5. Step 5: Solve for x
    x = 25,950,865,492.25/185,988.42
  6. Step 6: Final answer
    x = 139,529.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.