Home / 185,547.74-256,056.53-100,665.41

Finding the Fourth Proportional to 185,547.74, 256,056.53 and 100,665.41

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Solution

The fourth proportional to 185,547.74, 256,056.53 and 100,665.41 is: 138,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,547.74 : 256,056.53 = 100,665.41 : x
  2. Step 2: Convert to fraction form
    185,547.74/256,056.53 = 100,665.41/x
  3. Step 3: Cross multiply
    185,547.74x = 256,056.53 × 100,665.41
  4. Step 4: Simplify right side
    185,547.74x = 25,776,033,792.02
  5. Step 5: Solve for x
    x = 25,776,033,792.02/185,547.74
  6. Step 6: Final answer
    x = 138,918.61

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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.