Home / 154,627.74-213,259.75-108,838.96

Finding the Fourth Proportional to 154,627.74, 213,259.75 and 108,838.96

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Solution

The fourth proportional to 154,627.74, 213,259.75 and 108,838.96 is: 150,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,627.74 : 213,259.75 = 108,838.96 : x
  2. Step 2: Convert to fraction form
    154,627.74/213,259.75 = 108,838.96/x
  3. Step 3: Cross multiply
    154,627.74x = 213,259.75 × 108,838.96
  4. Step 4: Simplify right side
    154,627.74x = 23,210,969,206.83
  5. Step 5: Solve for x
    x = 23,210,969,206.83/154,627.74
  6. Step 6: Final answer
    x = 150,108.70

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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.