Home / 159,649.47-220,317.80-88,032.06

Finding the Fourth Proportional to 159,649.47, 220,317.80 and 88,032.06

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Solution

The fourth proportional to 159,649.47, 220,317.80 and 88,032.06 is: 121,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,649.47 : 220,317.80 = 88,032.06 : x
  2. Step 2: Convert to fraction form
    159,649.47/220,317.80 = 88,032.06/x
  3. Step 3: Cross multiply
    159,649.47x = 220,317.80 × 88,032.06
  4. Step 4: Simplify right side
    159,649.47x = 19,395,029,348.51
  5. Step 5: Solve for x
    x = 19,395,029,348.51/159,649.47
  6. Step 6: Final answer
    x = 121,485.08

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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.