Home / 134,356.20-201,485.70-54,360.60

Finding the Fourth Proportional to 134,356.20, 201,485.70 and 54,360.60

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Solution

The fourth proportional to 134,356.20, 201,485.70 and 54,360.60 is: 81,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,356.20 : 201,485.70 = 54,360.60 : x
  2. Step 2: Convert to fraction form
    134,356.20/201,485.70 = 54,360.60/x
  3. Step 3: Cross multiply
    134,356.20x = 201,485.70 × 54,360.60
  4. Step 4: Simplify right side
    134,356.20x = 10,952,883,543.42
  5. Step 5: Solve for x
    x = 10,952,883,543.42/134,356.20
  6. Step 6: Final answer
    x = 81,521.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.