Home / 157,454.16-217,152.84-106,453.32

Finding the Fourth Proportional to 157,454.16, 217,152.84 and 106,453.32

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Solution

The fourth proportional to 157,454.16, 217,152.84 and 106,453.32 is: 146,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454.16 : 217,152.84 = 106,453.32 : x
  2. Step 2: Convert to fraction form
    157,454.16/217,152.84 = 106,453.32/x
  3. Step 3: Cross multiply
    157,454.16x = 217,152.84 × 106,453.32
  4. Step 4: Simplify right side
    157,454.16x = 23,116,640,765.43
  5. Step 5: Solve for x
    x = 23,116,640,765.43/157,454.16
  6. Step 6: Final answer
    x = 146,815.05

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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.