Home / 440,135.90-660,422.55-173,905.10

Finding the Fourth Proportional to 440,135.90, 660,422.55 and 173,905.10

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Solution

The fourth proportional to 440,135.90, 660,422.55 and 173,905.10 is: 260,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,135.90 : 660,422.55 = 173,905.10 : x
  2. Step 2: Convert to fraction form
    440,135.90/660,422.55 = 173,905.10/x
  3. Step 3: Cross multiply
    440,135.90x = 660,422.55 × 173,905.10
  4. Step 4: Simplify right side
    440,135.90x = 114,850,849,600.01
  5. Step 5: Solve for x
    x = 114,850,849,600.01/440,135.90
  6. Step 6: Final answer
    x = 260,944.06

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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.