Home / 185,615.02-256,148.88-100,732.07

Finding the Fourth Proportional to 185,615.02, 256,148.88 and 100,732.07

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Solution

The fourth proportional to 185,615.02, 256,148.88 and 100,732.07 is: 139,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.02 : 256,148.88 = 100,732.07 : x
  2. Step 2: Convert to fraction form
    185,615.02/256,148.88 = 100,732.07/x
  3. Step 3: Cross multiply
    185,615.02x = 256,148.88 × 100,732.07
  4. Step 4: Simplify right side
    185,615.02x = 25,802,406,910.58
  5. Step 5: Solve for x
    x = 25,802,406,910.58/185,615.02
  6. Step 6: Final answer
    x = 139,010.34

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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.