Home / 170,089.20-255,133.80-59,255.28

Finding the Fourth Proportional to 170,089.20, 255,133.80 and 59,255.28

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Solution

The fourth proportional to 170,089.20, 255,133.80 and 59,255.28 is: 88,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,089.20 : 255,133.80 = 59,255.28 : x
  2. Step 2: Convert to fraction form
    170,089.20/255,133.80 = 59,255.28/x
  3. Step 3: Cross multiply
    170,089.20x = 255,133.80 × 59,255.28
  4. Step 4: Simplify right side
    170,089.20x = 15,118,024,756.46
  5. Step 5: Solve for x
    x = 15,118,024,756.46/170,089.20
  6. Step 6: Final answer
    x = 88,882.92

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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.