Home / 207,416.37-286,115.32-130,908.28

Finding the Fourth Proportional to 207,416.37, 286,115.32 and 130,908.28

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Solution

The fourth proportional to 207,416.37, 286,115.32 and 130,908.28 is: 180,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,416.37 : 286,115.32 = 130,908.28 : x
  2. Step 2: Convert to fraction form
    207,416.37/286,115.32 = 130,908.28/x
  3. Step 3: Cross multiply
    207,416.37x = 286,115.32 × 130,908.28
  4. Step 4: Simplify right side
    207,416.37x = 37,454,864,422.85
  5. Step 5: Solve for x
    x = 37,454,864,422.85/207,416.37
  6. Step 6: Final answer
    x = 180,578.15

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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.