Home / 153,530.44-211,873.52-89,869.60

Finding the Fourth Proportional to 153,530.44, 211,873.52 and 89,869.60

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Solution

The fourth proportional to 153,530.44, 211,873.52 and 89,869.60 is: 124,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,530.44 : 211,873.52 = 89,869.60 : x
  2. Step 2: Convert to fraction form
    153,530.44/211,873.52 = 89,869.60/x
  3. Step 3: Cross multiply
    153,530.44x = 211,873.52 × 89,869.60
  4. Step 4: Simplify right side
    153,530.44x = 19,040,988,982.51
  5. Step 5: Solve for x
    x = 19,040,988,982.51/153,530.44
  6. Step 6: Final answer
    x = 124,020.94

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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.