Home / 185,895.14-256,534.43-105,322.48

Finding the Fourth Proportional to 185,895.14, 256,534.43 and 105,322.48

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Solution

The fourth proportional to 185,895.14, 256,534.43 and 105,322.48 is: 145,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,895.14 : 256,534.43 = 105,322.48 : x
  2. Step 2: Convert to fraction form
    185,895.14/256,534.43 = 105,322.48/x
  3. Step 3: Cross multiply
    185,895.14x = 256,534.43 × 105,322.48
  4. Step 4: Simplify right side
    185,895.14x = 27,018,841,205.04
  5. Step 5: Solve for x
    x = 27,018,841,205.04/185,895.14
  6. Step 6: Final answer
    x = 145,344.53

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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.