Home / 185,131.26-255,482.36-100,248.32

Finding the Fourth Proportional to 185,131.26, 255,482.36 and 100,248.32

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Solution

The fourth proportional to 185,131.26, 255,482.36 and 100,248.32 is: 138,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,131.26 : 255,482.36 = 100,248.32 : x
  2. Step 2: Convert to fraction form
    185,131.26/255,482.36 = 100,248.32/x
  3. Step 3: Cross multiply
    185,131.26x = 255,482.36 × 100,248.32
  4. Step 4: Simplify right side
    185,131.26x = 25,611,677,379.64
  5. Step 5: Solve for x
    x = 25,611,677,379.64/185,131.26
  6. Step 6: Final answer
    x = 138,343.34

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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.