Home / 351,018.20-526,527.30-173,871.20

Finding the Fourth Proportional to 351,018.20, 526,527.30 and 173,871.20

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Solution

The fourth proportional to 351,018.20, 526,527.30 and 173,871.20 is: 260,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,018.20 : 526,527.30 = 173,871.20 : x
  2. Step 2: Convert to fraction form
    351,018.20/526,527.30 = 173,871.20/x
  3. Step 3: Cross multiply
    351,018.20x = 526,527.30 × 173,871.20
  4. Step 4: Simplify right side
    351,018.20x = 91,547,933,483.76
  5. Step 5: Solve for x
    x = 91,547,933,483.76/351,018.20
  6. Step 6: Final answer
    x = 260,806.80

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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.