Home / 185,664.51-256,222.31-100,787.04

Finding the Fourth Proportional to 185,664.51, 256,222.31 and 100,787.04

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Solution

The fourth proportional to 185,664.51, 256,222.31 and 100,787.04 is: 139,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,664.51 : 256,222.31 = 100,787.04 : x
  2. Step 2: Convert to fraction form
    185,664.51/256,222.31 = 100,787.04/x
  3. Step 3: Cross multiply
    185,664.51x = 256,222.31 × 100,787.04
  4. Step 4: Simplify right side
    185,664.51x = 25,823,887,702.93
  5. Step 5: Solve for x
    x = 25,823,887,702.93/185,664.51
  6. Step 6: Final answer
    x = 139,088.98

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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.