Home / 185,868.59-256,495.49-100,985.04

Finding the Fourth Proportional to 185,868.59, 256,495.49 and 100,985.04

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Solution

The fourth proportional to 185,868.59, 256,495.49 and 100,985.04 is: 139,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868.59 : 256,495.49 = 100,985.04 : x
  2. Step 2: Convert to fraction form
    185,868.59/256,495.49 = 100,985.04/x
  3. Step 3: Cross multiply
    185,868.59x = 256,495.49 × 100,985.04
  4. Step 4: Simplify right side
    185,868.59x = 25,902,206,812.54
  5. Step 5: Solve for x
    x = 25,902,206,812.54/185,868.59
  6. Step 6: Final answer
    x = 139,357.64

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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.