Home / 170,021.93-234,621-93,528.56

Finding the Fourth Proportional to 170,021.93, 234,621 and 93,528.56

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Solution

The fourth proportional to 170,021.93, 234,621 and 93,528.56 is: 129,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,021.93 : 234,621 = 93,528.56 : x
  2. Step 2: Convert to fraction form
    170,021.93/234,621 = 93,528.56/x
  3. Step 3: Cross multiply
    170,021.93x = 234,621 × 93,528.56
  4. Step 4: Simplify right side
    170,021.93x = 21,943,763,102.66
  5. Step 5: Solve for x
    x = 21,943,763,102.66/170,021.93
  6. Step 6: Final answer
    x = 129,064.31

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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.