Home / 115,335.12-159,173.60-70,002.66

Finding the Fourth Proportional to 115,335.12, 159,173.60 and 70,002.66

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Solution

The fourth proportional to 115,335.12, 159,173.60 and 70,002.66 is: 96,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,335.12 : 159,173.60 = 70,002.66 : x
  2. Step 2: Convert to fraction form
    115,335.12/159,173.60 = 70,002.66/x
  3. Step 3: Cross multiply
    115,335.12x = 159,173.60 × 70,002.66
  4. Step 4: Simplify right side
    115,335.12x = 11,142,575,051.76
  5. Step 5: Solve for x
    x = 11,142,575,051.76/115,335.12
  6. Step 6: Final answer
    x = 96,610.43

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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.