Home / 134,762.40-202,273.20-68,277.60

Finding the Fourth Proportional to 134,762.40, 202,273.20 and 68,277.60

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Solution

The fourth proportional to 134,762.40, 202,273.20 and 68,277.60 is: 102,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762.40 : 202,273.20 = 68,277.60 : x
  2. Step 2: Convert to fraction form
    134,762.40/202,273.20 = 68,277.60/x
  3. Step 3: Cross multiply
    134,762.40x = 202,273.20 × 68,277.60
  4. Step 4: Simplify right side
    134,762.40x = 13,810,728,640.32
  5. Step 5: Solve for x
    x = 13,810,728,640.32/134,762.40
  6. Step 6: Final answer
    x = 102,482.06

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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.