Home / 185,239.23-255,631.36-100,356.29

Finding the Fourth Proportional to 185,239.23, 255,631.36 and 100,356.29

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Solution

The fourth proportional to 185,239.23, 255,631.36 and 100,356.29 is: 138,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,239.23 : 255,631.36 = 100,356.29 : x
  2. Step 2: Convert to fraction form
    185,239.23/255,631.36 = 100,356.29/x
  3. Step 3: Cross multiply
    185,239.23x = 255,631.36 × 100,356.29
  4. Step 4: Simplify right side
    185,239.23x = 25,654,214,703.16
  5. Step 5: Solve for x
    x = 25,654,214,703.16/185,239.23
  6. Step 6: Final answer
    x = 138,492.34

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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.