Home / 185,035.56-255,349.84-100,152.62

Finding the Fourth Proportional to 185,035.56, 255,349.84 and 100,152.62

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Solution

The fourth proportional to 185,035.56, 255,349.84 and 100,152.62 is: 138,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,035.56 : 255,349.84 = 100,152.62 : x
  2. Step 2: Convert to fraction form
    185,035.56/255,349.84 = 100,152.62/x
  3. Step 3: Cross multiply
    185,035.56x = 255,349.84 × 100,152.62
  4. Step 4: Simplify right side
    185,035.56x = 25,573,956,828.82
  5. Step 5: Solve for x
    x = 25,573,956,828.82/185,035.56
  6. Step 6: Final answer
    x = 138,211.04

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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.