Home / 157,360.04-217,185-92,825.36

Finding the Fourth Proportional to 157,360.04, 217,185 and 92,825.36

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Solution

The fourth proportional to 157,360.04, 217,185 and 92,825.36 is: 128,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,360.04 : 217,185 = 92,825.36 : x
  2. Step 2: Convert to fraction form
    157,360.04/217,185 = 92,825.36/x
  3. Step 3: Cross multiply
    157,360.04x = 217,185 × 92,825.36
  4. Step 4: Simplify right side
    157,360.04x = 20,160,275,811.60
  5. Step 5: Solve for x
    x = 20,160,275,811.60/157,360.04
  6. Step 6: Final answer
    x = 128,115.60

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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.