Home / 185,897.39-256,537.53-105,324.73

Finding the Fourth Proportional to 185,897.39, 256,537.53 and 105,324.73

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Solution

The fourth proportional to 185,897.39, 256,537.53 and 105,324.73 is: 145,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,897.39 : 256,537.53 = 105,324.73 : x
  2. Step 2: Convert to fraction form
    185,897.39/256,537.53 = 105,324.73/x
  3. Step 3: Cross multiply
    185,897.39x = 256,537.53 × 105,324.73
  4. Step 4: Simplify right side
    185,897.39x = 27,019,745,440.77
  5. Step 5: Solve for x
    x = 27,019,745,440.77/185,897.39
  6. Step 6: Final answer
    x = 145,347.64

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1.5x scale

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.