Home / 146,025.64-201,515.46-78,957.64

Finding the Fourth Proportional to 146,025.64, 201,515.46 and 78,957.64

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Solution

The fourth proportional to 146,025.64, 201,515.46 and 78,957.64 is: 108,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,025.64 : 201,515.46 = 78,957.64 : x
  2. Step 2: Convert to fraction form
    146,025.64/201,515.46 = 78,957.64/x
  3. Step 3: Cross multiply
    146,025.64x = 201,515.46 × 78,957.64
  4. Step 4: Simplify right side
    146,025.64x = 15,911,185,145.11
  5. Step 5: Solve for x
    x = 15,911,185,145.11/146,025.64
  6. Step 6: Final answer
    x = 108,961.58

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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.