Home / 145,926.54-218,873.46-39,318.42

Finding the Fourth Proportional to 145,926.54, 218,873.46 and 39,318.42

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Solution

The fourth proportional to 145,926.54, 218,873.46 and 39,318.42 is: 58,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,926.54 : 218,873.46 = 39,318.42 : x
  2. Step 2: Convert to fraction form
    145,926.54/218,873.46 = 39,318.42/x
  3. Step 3: Cross multiply
    145,926.54x = 218,873.46 × 39,318.42
  4. Step 4: Simplify right side
    145,926.54x = 8,605,758,627.13
  5. Step 5: Solve for x
    x = 8,605,758,627.13/145,926.54
  6. Step 6: Final answer
    x = 58,973.22

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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.