Home / 148,631.81-222,946.93-36,312.65

Finding the Fourth Proportional to 148,631.81, 222,946.93 and 36,312.65

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Solution

The fourth proportional to 148,631.81, 222,946.93 and 36,312.65 is: 54,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,631.81 : 222,946.93 = 36,312.65 : x
  2. Step 2: Convert to fraction form
    148,631.81/222,946.93 = 36,312.65/x
  3. Step 3: Cross multiply
    148,631.81x = 222,946.93 × 36,312.65
  4. Step 4: Simplify right side
    148,631.81x = 8,095,794,858.45
  5. Step 5: Solve for x
    x = 8,095,794,858.45/148,631.81
  6. Step 6: Final answer
    x = 54,468.79

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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.