Home / 145,968.47-218,873.22-65,912.62

Finding the Fourth Proportional to 145,968.47, 218,873.22 and 65,912.62

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Solution

The fourth proportional to 145,968.47, 218,873.22 and 65,912.62 is: 98,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,968.47 : 218,873.22 = 65,912.62 : x
  2. Step 2: Convert to fraction form
    145,968.47/218,873.22 = 65,912.62/x
  3. Step 3: Cross multiply
    145,968.47x = 218,873.22 × 65,912.62
  4. Step 4: Simplify right side
    145,968.47x = 14,426,507,378.04
  5. Step 5: Solve for x
    x = 14,426,507,378.04/145,968.47
  6. Step 6: Final answer
    x = 98,833.04

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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.