Home / 135,792.45-186,728.90-117,856.22

Finding the Fourth Proportional to 135,792.45, 186,728.90 and 117,856.22

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Solution

The fourth proportional to 135,792.45, 186,728.90 and 117,856.22 is: 162,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,792.45 : 186,728.90 = 117,856.22 : x
  2. Step 2: Convert to fraction form
    135,792.45/186,728.90 = 117,856.22/x
  3. Step 3: Cross multiply
    135,792.45x = 186,728.90 × 117,856.22
  4. Step 4: Simplify right side
    135,792.45x = 22,007,160,795.83
  5. Step 5: Solve for x
    x = 22,007,160,795.83/135,792.45
  6. Step 6: Final answer
    x = 162,064.69

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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.