Home / 535,031.40-802,158.30-219,325.80

Finding the Fourth Proportional to 535,031.40, 802,158.30 and 219,325.80

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Solution

The fourth proportional to 535,031.40, 802,158.30 and 219,325.80 is: 328,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,031.40 : 802,158.30 = 219,325.80 : x
  2. Step 2: Convert to fraction form
    535,031.40/802,158.30 = 219,325.80/x
  3. Step 3: Cross multiply
    535,031.40x = 802,158.30 × 219,325.80
  4. Step 4: Simplify right side
    535,031.40x = 175,934,010,874.14
  5. Step 5: Solve for x
    x = 175,934,010,874.14/535,031.40
  6. Step 6: Final answer
    x = 328,829.32

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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.