Home / 320,899.36-442,957.44-186,763.36

Finding the Fourth Proportional to 320,899.36, 442,957.44 and 186,763.36

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Solution

The fourth proportional to 320,899.36, 442,957.44 and 186,763.36 is: 257,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,899.36 : 442,957.44 = 186,763.36 : x
  2. Step 2: Convert to fraction form
    320,899.36/442,957.44 = 186,763.36/x
  3. Step 3: Cross multiply
    320,899.36x = 442,957.44 × 186,763.36
  4. Step 4: Simplify right side
    320,899.36x = 82,728,219,831.40
  5. Step 5: Solve for x
    x = 82,728,219,831.40/320,899.36
  6. Step 6: Final answer
    x = 257,801.14

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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.