Home / 349,711.20-524,566.80-96,991.20

Finding the Fourth Proportional to 349,711.20, 524,566.80 and 96,991.20

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Solution

The fourth proportional to 349,711.20, 524,566.80 and 96,991.20 is: 145,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,711.20 : 524,566.80 = 96,991.20 : x
  2. Step 2: Convert to fraction form
    349,711.20/524,566.80 = 96,991.20/x
  3. Step 3: Cross multiply
    349,711.20x = 524,566.80 × 96,991.20
  4. Step 4: Simplify right side
    349,711.20x = 50,878,363,412.16
  5. Step 5: Solve for x
    x = 50,878,363,412.16/349,711.20
  6. Step 6: Final answer
    x = 145,486.80

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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.