Home / 110,290.38-152,159.49-64,940.64

Finding the Fourth Proportional to 110,290.38, 152,159.49 and 64,940.64

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Solution

The fourth proportional to 110,290.38, 152,159.49 and 64,940.64 is: 89,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290.38 : 152,159.49 = 64,940.64 : x
  2. Step 2: Convert to fraction form
    110,290.38/152,159.49 = 64,940.64/x
  3. Step 3: Cross multiply
    110,290.38x = 152,159.49 × 64,940.64
  4. Step 4: Simplify right side
    110,290.38x = 9,881,334,662.67
  5. Step 5: Solve for x
    x = 9,881,334,662.67/110,290.38
  6. Step 6: Final answer
    x = 89,593.80

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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.