Home / 320,145.36-441,809.16-176,914.32

Finding the Fourth Proportional to 320,145.36, 441,809.16 and 176,914.32

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Solution

The fourth proportional to 320,145.36, 441,809.16 and 176,914.32 is: 244,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,145.36 : 441,809.16 = 176,914.32 : x
  2. Step 2: Convert to fraction form
    320,145.36/441,809.16 = 176,914.32/x
  3. Step 3: Cross multiply
    320,145.36x = 441,809.16 × 176,914.32
  4. Step 4: Simplify right side
    320,145.36x = 78,162,367,111.17
  5. Step 5: Solve for x
    x = 78,162,367,111.17/320,145.36
  6. Step 6: Final answer
    x = 244,146.49

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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.