Home / 170,074.02-255,105.36-91,342.02

Finding the Fourth Proportional to 170,074.02, 255,105.36 and 91,342.02

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Solution

The fourth proportional to 170,074.02, 255,105.36 and 91,342.02 is: 137,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,074.02 : 255,105.36 = 91,342.02 : x
  2. Step 2: Convert to fraction form
    170,074.02/255,105.36 = 91,342.02/x
  3. Step 3: Cross multiply
    170,074.02x = 255,105.36 × 91,342.02
  4. Step 4: Simplify right side
    170,074.02x = 23,301,838,895.23
  5. Step 5: Solve for x
    x = 23,301,838,895.23/170,074.02
  6. Step 6: Final answer
    x = 137,009.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.