Home / 147,256.55-203,208.71-89,991.68

Finding the Fourth Proportional to 147,256.55, 203,208.71 and 89,991.68

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Solution

The fourth proportional to 147,256.55, 203,208.71 and 89,991.68 is: 124,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.55 : 203,208.71 = 89,991.68 : x
  2. Step 2: Convert to fraction form
    147,256.55/203,208.71 = 89,991.68/x
  3. Step 3: Cross multiply
    147,256.55x = 203,208.71 × 89,991.68
  4. Step 4: Simplify right side
    147,256.55x = 18,287,092,837.03
  5. Step 5: Solve for x
    x = 18,287,092,837.03/147,256.55
  6. Step 6: Final answer
    x = 124,185.26

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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.