Home / 115,996.04-160,151.64-89,090.48

Finding the Fourth Proportional to 115,996.04, 160,151.64 and 89,090.48

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Solution

The fourth proportional to 115,996.04, 160,151.64 and 89,090.48 is: 123,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,996.04 : 160,151.64 = 89,090.48 : x
  2. Step 2: Convert to fraction form
    115,996.04/160,151.64 = 89,090.48/x
  3. Step 3: Cross multiply
    115,996.04x = 160,151.64 × 89,090.48
  4. Step 4: Simplify right side
    115,996.04x = 14,267,986,480.39
  5. Step 5: Solve for x
    x = 14,267,986,480.39/115,996.04
  6. Step 6: Final answer
    x = 123,004.08

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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.