Home / 353,155.85-529,722.05-153,476.43

Finding the Fourth Proportional to 353,155.85, 529,722.05 and 153,476.43

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Solution

The fourth proportional to 353,155.85, 529,722.05 and 153,476.43 is: 230,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,155.85 : 529,722.05 = 153,476.43 : x
  2. Step 2: Convert to fraction form
    353,155.85/529,722.05 = 153,476.43/x
  3. Step 3: Cross multiply
    353,155.85x = 529,722.05 × 153,476.43
  4. Step 4: Simplify right side
    353,155.85x = 81,299,849,126.28
  5. Step 5: Solve for x
    x = 81,299,849,126.28/353,155.85
  6. Step 6: Final answer
    x = 230,209.55

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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.