Home / 141,356.02-212,015.79-117,810.66

Finding the Fourth Proportional to 141,356.02, 212,015.79 and 117,810.66

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Solution

The fourth proportional to 141,356.02, 212,015.79 and 117,810.66 is: 176,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,356.02 : 212,015.79 = 117,810.66 : x
  2. Step 2: Convert to fraction form
    141,356.02/212,015.79 = 117,810.66/x
  3. Step 3: Cross multiply
    141,356.02x = 212,015.79 × 117,810.66
  4. Step 4: Simplify right side
    141,356.02x = 24,977,720,150.32
  5. Step 5: Solve for x
    x = 24,977,720,150.32/141,356.02
  6. Step 6: Final answer
    x = 176,700.79

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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.