Home / 229,036.02-343,651.95-118,305.78

Finding the Fourth Proportional to 229,036.02, 343,651.95 and 118,305.78

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Solution

The fourth proportional to 229,036.02, 343,651.95 and 118,305.78 is: 177,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,036.02 : 343,651.95 = 118,305.78 : x
  2. Step 2: Convert to fraction form
    229,036.02/343,651.95 = 118,305.78/x
  3. Step 3: Cross multiply
    229,036.02x = 343,651.95 × 118,305.78
  4. Step 4: Simplify right side
    229,036.02x = 40,656,011,993.27
  5. Step 5: Solve for x
    x = 40,656,011,993.27/229,036.02
  6. Step 6: Final answer
    x = 177,509.25

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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.