Home / 185,764.58-256,355.08-105,192.08

Finding the Fourth Proportional to 185,764.58, 256,355.08 and 105,192.08

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Solution

The fourth proportional to 185,764.58, 256,355.08 and 105,192.08 is: 145,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.58 : 256,355.08 = 105,192.08 : x
  2. Step 2: Convert to fraction form
    185,764.58/256,355.08 = 105,192.08/x
  3. Step 3: Cross multiply
    185,764.58x = 256,355.08 × 105,192.08
  4. Step 4: Simplify right side
    185,764.58x = 26,966,524,083.77
  5. Step 5: Solve for x
    x = 26,966,524,083.77/185,764.58
  6. Step 6: Final answer
    x = 145,165.05

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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.