Home / 115,453.05-159,323.65-64,466.62

Finding the Fourth Proportional to 115,453.05, 159,323.65 and 64,466.62

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Solution

The fourth proportional to 115,453.05, 159,323.65 and 64,466.62 is: 88,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,453.05 : 159,323.65 = 64,466.62 : x
  2. Step 2: Convert to fraction form
    115,453.05/159,323.65 = 64,466.62/x
  3. Step 3: Cross multiply
    115,453.05x = 159,323.65 × 64,466.62
  4. Step 4: Simplify right side
    115,453.05x = 10,271,057,201.56
  5. Step 5: Solve for x
    x = 10,271,057,201.56/115,453.05
  6. Step 6: Final answer
    x = 88,963.07

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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.