Home / 145,964.48-218,976.34-61,724.43

Finding the Fourth Proportional to 145,964.48, 218,976.34 and 61,724.43

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Solution

The fourth proportional to 145,964.48, 218,976.34 and 61,724.43 is: 92,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,964.48 : 218,976.34 = 61,724.43 : x
  2. Step 2: Convert to fraction form
    145,964.48/218,976.34 = 61,724.43/x
  3. Step 3: Cross multiply
    145,964.48x = 218,976.34 × 61,724.43
  4. Step 4: Simplify right side
    145,964.48x = 13,516,189,557.81
  5. Step 5: Solve for x
    x = 13,516,189,557.81/145,964.48
  6. Step 6: Final answer
    x = 92,599.17

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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.