Home / 177,318.32-244,471.91-128,880.45

Finding the Fourth Proportional to 177,318.32, 244,471.91 and 128,880.45

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Solution

The fourth proportional to 177,318.32, 244,471.91 and 128,880.45 is: 177,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,318.32 : 244,471.91 = 128,880.45 : x
  2. Step 2: Convert to fraction form
    177,318.32/244,471.91 = 128,880.45/x
  3. Step 3: Cross multiply
    177,318.32x = 244,471.91 × 128,880.45
  4. Step 4: Simplify right side
    177,318.32x = 31,507,649,128.76
  5. Step 5: Solve for x
    x = 31,507,649,128.76/177,318.32
  6. Step 6: Final answer
    x = 177,689.76

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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.