Home / 153,335.73-211,603.28-85,351.23

Finding the Fourth Proportional to 153,335.73, 211,603.28 and 85,351.23

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Solution

The fourth proportional to 153,335.73, 211,603.28 and 85,351.23 is: 117,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,335.73 : 211,603.28 = 85,351.23 : x
  2. Step 2: Convert to fraction form
    153,335.73/211,603.28 = 85,351.23/x
  3. Step 3: Cross multiply
    153,335.73x = 211,603.28 × 85,351.23
  4. Step 4: Simplify right side
    153,335.73x = 18,060,599,793.28
  5. Step 5: Solve for x
    x = 18,060,599,793.28/153,335.73
  6. Step 6: Final answer
    x = 117,784.68

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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.