Home / 437,784.75-656,677.13-105,360.75

Finding the Fourth Proportional to 437,784.75, 656,677.13 and 105,360.75

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Solution

The fourth proportional to 437,784.75, 656,677.13 and 105,360.75 is: 158,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,784.75 : 656,677.13 = 105,360.75 : x
  2. Step 2: Convert to fraction form
    437,784.75/656,677.13 = 105,360.75/x
  3. Step 3: Cross multiply
    437,784.75x = 656,677.13 × 105,360.75
  4. Step 4: Simplify right side
    437,784.75x = 69,187,994,397.84
  5. Step 5: Solve for x
    x = 69,187,994,397.84/437,784.75
  6. Step 6: Final answer
    x = 158,041.13

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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.