Home / 437,577.02-656,365.46-105,153.02

Finding the Fourth Proportional to 437,577.02, 656,365.46 and 105,153.02

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Solution

The fourth proportional to 437,577.02, 656,365.46 and 105,153.02 is: 157,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,577.02 : 656,365.46 = 105,153.02 : x
  2. Step 2: Convert to fraction form
    437,577.02/656,365.46 = 105,153.02/x
  3. Step 3: Cross multiply
    437,577.02x = 656,365.46 × 105,153.02
  4. Step 4: Simplify right side
    437,577.02x = 69,018,810,342.69
  5. Step 5: Solve for x
    x = 69,018,810,342.69/437,577.02
  6. Step 6: Final answer
    x = 157,729.51

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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.