Home / 312,784.07-431,630.46-169,541.04

Finding the Fourth Proportional to 312,784.07, 431,630.46 and 169,541.04

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Solution

The fourth proportional to 312,784.07, 431,630.46 and 169,541.04 is: 233,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,784.07 : 431,630.46 = 169,541.04 : x
  2. Step 2: Convert to fraction form
    312,784.07/431,630.46 = 169,541.04/x
  3. Step 3: Cross multiply
    312,784.07x = 431,630.46 × 169,541.04
  4. Step 4: Simplify right side
    312,784.07x = 73,179,077,084.08
  5. Step 5: Solve for x
    x = 73,179,077,084.08/312,784.07
  6. Step 6: Final answer
    x = 233,960.37

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1.5x scale

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.