Home / 320,332.06-442,036.38-177,090.82

Finding the Fourth Proportional to 320,332.06, 442,036.38 and 177,090.82

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Solution

The fourth proportional to 320,332.06, 442,036.38 and 177,090.82 is: 244,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,332.06 : 442,036.38 = 177,090.82 : x
  2. Step 2: Convert to fraction form
    320,332.06/442,036.38 = 177,090.82/x
  3. Step 3: Cross multiply
    320,332.06x = 442,036.38 × 177,090.82
  4. Step 4: Simplify right side
    320,332.06x = 78,280,585,004.03
  5. Step 5: Solve for x
    x = 78,280,585,004.03/320,332.06
  6. Step 6: Final answer
    x = 244,373.25

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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.