Home / 351,123.20-526,339.20-173,657.60

Finding the Fourth Proportional to 351,123.20, 526,339.20 and 173,657.60

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Solution

The fourth proportional to 351,123.20, 526,339.20 and 173,657.60 is: 260,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,123.20 : 526,339.20 = 173,657.60 : x
  2. Step 2: Convert to fraction form
    351,123.20/526,339.20 = 173,657.60/x
  3. Step 3: Cross multiply
    351,123.20x = 526,339.20 × 173,657.60
  4. Step 4: Simplify right side
    351,123.20x = 91,402,802,257.92
  5. Step 5: Solve for x
    x = 91,402,802,257.92/351,123.20
  6. Step 6: Final answer
    x = 260,315.47

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1.5x scale

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.