Home / 353,001.18-487,144.86-191,856.63

Finding the Fourth Proportional to 353,001.18, 487,144.86 and 191,856.63

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Solution

The fourth proportional to 353,001.18, 487,144.86 and 191,856.63 is: 264,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,001.18 : 487,144.86 = 191,856.63 : x
  2. Step 2: Convert to fraction form
    353,001.18/487,144.86 = 191,856.63/x
  3. Step 3: Cross multiply
    353,001.18x = 487,144.86 × 191,856.63
  4. Step 4: Simplify right side
    353,001.18x = 93,461,971,161.42
  5. Step 5: Solve for x
    x = 93,461,971,161.42/353,001.18
  6. Step 6: Final answer
    x = 264,763.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.