Home / 110,290.13-152,159.15-64,940.39

Finding the Fourth Proportional to 110,290.13, 152,159.15 and 64,940.39

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Solution

The fourth proportional to 110,290.13, 152,159.15 and 64,940.39 is: 89,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290.13 : 152,159.15 = 64,940.39 : x
  2. Step 2: Convert to fraction form
    110,290.13/152,159.15 = 64,940.39/x
  3. Step 3: Cross multiply
    110,290.13x = 152,159.15 × 64,940.39
  4. Step 4: Simplify right side
    110,290.13x = 9,881,274,218.37
  5. Step 5: Solve for x
    x = 9,881,274,218.37/110,290.13
  6. Step 6: Final answer
    x = 89,593.46

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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.