Home / 185,636.84-256,117.86-105,056.36

Finding the Fourth Proportional to 185,636.84, 256,117.86 and 105,056.36

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Solution

The fourth proportional to 185,636.84, 256,117.86 and 105,056.36 is: 144,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,636.84 : 256,117.86 = 105,056.36 : x
  2. Step 2: Convert to fraction form
    185,636.84/256,117.86 = 105,056.36/x
  3. Step 3: Cross multiply
    185,636.84x = 256,117.86 × 105,056.36
  4. Step 4: Simplify right side
    185,636.84x = 26,906,810,102.59
  5. Step 5: Solve for x
    x = 26,906,810,102.59/185,636.84
  6. Step 6: Final answer
    x = 144,943.27

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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.