Home / 185,837.37-256,433.81-109,339.65

Finding the Fourth Proportional to 185,837.37, 256,433.81 and 109,339.65

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Solution

The fourth proportional to 185,837.37, 256,433.81 and 109,339.65 is: 150,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.37 : 256,433.81 = 109,339.65 : x
  2. Step 2: Convert to fraction form
    185,837.37/256,433.81 = 109,339.65/x
  3. Step 3: Cross multiply
    185,837.37x = 256,433.81 × 109,339.65
  4. Step 4: Simplify right side
    185,837.37x = 28,038,382,486.87
  5. Step 5: Solve for x
    x = 28,038,382,486.87/185,837.37
  6. Step 6: Final answer
    x = 150,875.91

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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.