Home / 116,219.82-160,351.47-70,905.18

Finding the Fourth Proportional to 116,219.82, 160,351.47 and 70,905.18

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Solution

The fourth proportional to 116,219.82, 160,351.47 and 70,905.18 is: 97,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,219.82 : 160,351.47 = 70,905.18 : x
  2. Step 2: Convert to fraction form
    116,219.82/160,351.47 = 70,905.18/x
  3. Step 3: Cross multiply
    116,219.82x = 160,351.47 × 70,905.18
  4. Step 4: Simplify right side
    116,219.82x = 11,369,749,843.61
  5. Step 5: Solve for x
    x = 11,369,749,843.61/116,219.82
  6. Step 6: Final answer
    x = 97,829.70

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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.