Home / 233,478.32-322,215.77-130,128.59

Finding the Fourth Proportional to 233,478.32, 322,215.77 and 130,128.59

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Solution

The fourth proportional to 233,478.32, 322,215.77 and 130,128.59 is: 179,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,478.32 : 322,215.77 = 130,128.59 : x
  2. Step 2: Convert to fraction form
    233,478.32/322,215.77 = 130,128.59/x
  3. Step 3: Cross multiply
    233,478.32x = 322,215.77 × 130,128.59
  4. Step 4: Simplify right side
    233,478.32x = 41,929,481,564.14
  5. Step 5: Solve for x
    x = 41,929,481,564.14/233,478.32
  6. Step 6: Final answer
    x = 179,586.19

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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.