Home / 185,669.95-256,230.63-105,095.74

Finding the Fourth Proportional to 185,669.95, 256,230.63 and 105,095.74

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Solution

The fourth proportional to 185,669.95, 256,230.63 and 105,095.74 is: 145,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,669.95 : 256,230.63 = 105,095.74 : x
  2. Step 2: Convert to fraction form
    185,669.95/256,230.63 = 105,095.74/x
  3. Step 3: Cross multiply
    185,669.95x = 256,230.63 × 105,095.74
  4. Step 4: Simplify right side
    185,669.95x = 26,928,747,722.91
  5. Step 5: Solve for x
    x = 26,928,747,722.91/185,669.95
  6. Step 6: Final answer
    x = 145,035.58

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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.