Home / 278,166.03-417,420.36-109,657.68

Finding the Fourth Proportional to 278,166.03, 417,420.36 and 109,657.68

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Solution

The fourth proportional to 278,166.03, 417,420.36 and 109,657.68 is: 164,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,166.03 : 417,420.36 = 109,657.68 : x
  2. Step 2: Convert to fraction form
    278,166.03/417,420.36 = 109,657.68/x
  3. Step 3: Cross multiply
    278,166.03x = 417,420.36 × 109,657.68
  4. Step 4: Simplify right side
    278,166.03x = 45,773,348,262.36
  5. Step 5: Solve for x
    x = 45,773,348,262.36/278,166.03
  6. Step 6: Final answer
    x = 164,554.06

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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.