Home / 222,731.60-334,129.80-72,946.40

Finding the Fourth Proportional to 222,731.60, 334,129.80 and 72,946.40

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Solution

The fourth proportional to 222,731.60, 334,129.80 and 72,946.40 is: 109,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,731.60 : 334,129.80 = 72,946.40 : x
  2. Step 2: Convert to fraction form
    222,731.60/334,129.80 = 72,946.40/x
  3. Step 3: Cross multiply
    222,731.60x = 334,129.80 × 72,946.40
  4. Step 4: Simplify right side
    222,731.60x = 24,373,566,042.72
  5. Step 5: Solve for x
    x = 24,373,566,042.72/222,731.60
  6. Step 6: Final answer
    x = 109,430.21

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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.