Home / 185,749.48-256,335.29-105,192.69

Finding the Fourth Proportional to 185,749.48, 256,335.29 and 105,192.69

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Solution

The fourth proportional to 185,749.48, 256,335.29 and 105,192.69 is: 145,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.48 : 256,335.29 = 105,192.69 : x
  2. Step 2: Convert to fraction form
    185,749.48/256,335.29 = 105,192.69/x
  3. Step 3: Cross multiply
    185,749.48x = 256,335.29 × 105,192.69
  4. Step 4: Simplify right side
    185,749.48x = 26,964,598,697.03
  5. Step 5: Solve for x
    x = 26,964,598,697.03/185,749.48
  6. Step 6: Final answer
    x = 145,166.48

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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.