Home / 185,787.51-256,386.75-100,904.58

Finding the Fourth Proportional to 185,787.51, 256,386.75 and 100,904.58

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Solution

The fourth proportional to 185,787.51, 256,386.75 and 100,904.58 is: 139,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.51 : 256,386.75 = 100,904.58 : x
  2. Step 2: Convert to fraction form
    185,787.51/256,386.75 = 100,904.58/x
  3. Step 3: Cross multiply
    185,787.51x = 256,386.75 × 100,904.58
  4. Step 4: Simplify right side
    185,787.51x = 25,870,597,326.32
  5. Step 5: Solve for x
    x = 25,870,597,326.32/185,787.51
  6. Step 6: Final answer
    x = 139,248.31

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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.