Home / 114,325.22-171,425.98-90,784.22

Finding the Fourth Proportional to 114,325.22, 171,425.98 and 90,784.22

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Solution

The fourth proportional to 114,325.22, 171,425.98 and 90,784.22 is: 136,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,325.22 : 171,425.98 = 90,784.22 : x
  2. Step 2: Convert to fraction form
    114,325.22/171,425.98 = 90,784.22/x
  3. Step 3: Cross multiply
    114,325.22x = 171,425.98 × 90,784.22
  4. Step 4: Simplify right side
    114,325.22x = 15,562,772,797.95
  5. Step 5: Solve for x
    x = 15,562,772,797.95/114,325.22
  6. Step 6: Final answer
    x = 136,127.21

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1.5x scale

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.