Home / 158,050.48-218,113.45-90,066

Finding the Fourth Proportional to 158,050.48, 218,113.45 and 90,066

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Solution

The fourth proportional to 158,050.48, 218,113.45 and 90,066 is: 124,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,050.48 : 218,113.45 = 90,066 : x
  2. Step 2: Convert to fraction form
    158,050.48/218,113.45 = 90,066/x
  3. Step 3: Cross multiply
    158,050.48x = 218,113.45 × 90,066
  4. Step 4: Simplify right side
    158,050.48x = 19,644,605,987.70
  5. Step 5: Solve for x
    x = 19,644,605,987.70/158,050.48
  6. Step 6: Final answer
    x = 124,293.24

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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.