Home / 185,625.03-256,162.73-100,742.07

Finding the Fourth Proportional to 185,625.03, 256,162.73 and 100,742.07

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Solution

The fourth proportional to 185,625.03, 256,162.73 and 100,742.07 is: 139,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.03 : 256,162.73 = 100,742.07 : x
  2. Step 2: Convert to fraction form
    185,625.03/256,162.73 = 100,742.07/x
  3. Step 3: Cross multiply
    185,625.03x = 256,162.73 × 100,742.07
  4. Step 4: Simplify right side
    185,625.03x = 25,806,363,677.05
  5. Step 5: Solve for x
    x = 25,806,363,677.05/185,625.03
  6. Step 6: Final answer
    x = 139,024.16

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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.