Home / 234,281.15-351,421.77-84,521.39

Finding the Fourth Proportional to 234,281.15, 351,421.77 and 84,521.39

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Solution

The fourth proportional to 234,281.15, 351,421.77 and 84,521.39 is: 126,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,281.15 : 351,421.77 = 84,521.39 : x
  2. Step 2: Convert to fraction form
    234,281.15/351,421.77 = 84,521.39/x
  3. Step 3: Cross multiply
    234,281.15x = 351,421.77 × 84,521.39
  4. Step 4: Simplify right side
    234,281.15x = 29,702,655,386.80
  5. Step 5: Solve for x
    x = 29,702,655,386.80/234,281.15
  6. Step 6: Final answer
    x = 126,782.10

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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.