Home / 164,123.73-245,485.76-100,788.21

Finding the Fourth Proportional to 164,123.73, 245,485.76 and 100,788.21

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Solution

The fourth proportional to 164,123.73, 245,485.76 and 100,788.21 is: 150,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,123.73 : 245,485.76 = 100,788.21 : x
  2. Step 2: Convert to fraction form
    164,123.73/245,485.76 = 100,788.21/x
  3. Step 3: Cross multiply
    164,123.73x = 245,485.76 × 100,788.21
  4. Step 4: Simplify right side
    164,123.73x = 24,742,069,826.95
  5. Step 5: Solve for x
    x = 24,742,069,826.95/164,123.73
  6. Step 6: Final answer
    x = 150,752.54

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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.