Home / 153,990.22-230,985.33-57,945.49

Finding the Fourth Proportional to 153,990.22, 230,985.33 and 57,945.49

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Solution

The fourth proportional to 153,990.22, 230,985.33 and 57,945.49 is: 86,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,990.22 : 230,985.33 = 57,945.49 : x
  2. Step 2: Convert to fraction form
    153,990.22/230,985.33 = 57,945.49/x
  3. Step 3: Cross multiply
    153,990.22x = 230,985.33 × 57,945.49
  4. Step 4: Simplify right side
    153,990.22x = 13,384,558,129.66
  5. Step 5: Solve for x
    x = 13,384,558,129.66/153,990.22
  6. Step 6: Final answer
    x = 86,918.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.