Home / 405,026.20-607,539.30-168,830.20

Finding the Fourth Proportional to 405,026.20, 607,539.30 and 168,830.20

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Solution

The fourth proportional to 405,026.20, 607,539.30 and 168,830.20 is: 253,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,026.20 : 607,539.30 = 168,830.20 : x
  2. Step 2: Convert to fraction form
    405,026.20/607,539.30 = 168,830.20/x
  3. Step 3: Cross multiply
    405,026.20x = 607,539.30 × 168,830.20
  4. Step 4: Simplify right side
    405,026.20x = 102,570,981,526.86
  5. Step 5: Solve for x
    x = 102,570,981,526.86/405,026.20
  6. Step 6: Final answer
    x = 253,245.30

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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.