Home / 120,699.36-166,585.14-70,398.36

Finding the Fourth Proportional to 120,699.36, 166,585.14 and 70,398.36

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Solution

The fourth proportional to 120,699.36, 166,585.14 and 70,398.36 is: 97,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,699.36 : 166,585.14 = 70,398.36 : x
  2. Step 2: Convert to fraction form
    120,699.36/166,585.14 = 70,398.36/x
  3. Step 3: Cross multiply
    120,699.36x = 166,585.14 × 70,398.36
  4. Step 4: Simplify right side
    120,699.36x = 11,727,320,656.37
  5. Step 5: Solve for x
    x = 11,727,320,656.37/120,699.36
  6. Step 6: Final answer
    x = 97,161.42

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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.