Home / 185,036.16-255,349.62-100,153.56

Finding the Fourth Proportional to 185,036.16, 255,349.62 and 100,153.56

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Solution

The fourth proportional to 185,036.16, 255,349.62 and 100,153.56 is: 138,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,036.16 : 255,349.62 = 100,153.56 : x
  2. Step 2: Convert to fraction form
    185,036.16/255,349.62 = 100,153.56/x
  3. Step 3: Cross multiply
    185,036.16x = 255,349.62 × 100,153.56
  4. Step 4: Simplify right side
    185,036.16x = 25,574,173,487.65
  5. Step 5: Solve for x
    x = 25,574,173,487.65/185,036.16
  6. Step 6: Final answer
    x = 138,211.76

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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.