Home / 223,256.10-334,921.05-103,432.80

Finding the Fourth Proportional to 223,256.10, 334,921.05 and 103,432.80

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Solution

The fourth proportional to 223,256.10, 334,921.05 and 103,432.80 is: 155,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,256.10 : 334,921.05 = 103,432.80 : x
  2. Step 2: Convert to fraction form
    223,256.10/334,921.05 = 103,432.80/x
  3. Step 3: Cross multiply
    223,256.10x = 334,921.05 × 103,432.80
  4. Step 4: Simplify right side
    223,256.10x = 34,641,821,980.44
  5. Step 5: Solve for x
    x = 34,641,821,980.44/223,256.10
  6. Step 6: Final answer
    x = 155,166.30

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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.