Home / 185,749.61-256,335.44-105,192.81

Finding the Fourth Proportional to 185,749.61, 256,335.44 and 105,192.81

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Solution

The fourth proportional to 185,749.61, 256,335.44 and 105,192.81 is: 145,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.61 : 256,335.44 = 105,192.81 : x
  2. Step 2: Convert to fraction form
    185,749.61/256,335.44 = 105,192.81/x
  3. Step 3: Cross multiply
    185,749.61x = 256,335.44 × 105,192.81
  4. Step 4: Simplify right side
    185,749.61x = 26,964,644,710.22
  5. Step 5: Solve for x
    x = 26,964,644,710.22/185,749.61
  6. Step 6: Final answer
    x = 145,166.63

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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.