Home / 229,268.23-316,400.04-127,293.70

Finding the Fourth Proportional to 229,268.23, 316,400.04 and 127,293.70

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Solution

The fourth proportional to 229,268.23, 316,400.04 and 127,293.70 is: 175,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,268.23 : 316,400.04 = 127,293.70 : x
  2. Step 2: Convert to fraction form
    229,268.23/316,400.04 = 127,293.70/x
  3. Step 3: Cross multiply
    229,268.23x = 316,400.04 × 127,293.70
  4. Step 4: Simplify right side
    229,268.23x = 40,275,730,664.81
  5. Step 5: Solve for x
    x = 40,275,730,664.81/229,268.23
  6. Step 6: Final answer
    x = 175,670.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.