Home / 224,623.52-309,986.84-122,655.46

Finding the Fourth Proportional to 224,623.52, 309,986.84 and 122,655.46

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Solution

The fourth proportional to 224,623.52, 309,986.84 and 122,655.46 is: 169,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,623.52 : 309,986.84 = 122,655.46 : x
  2. Step 2: Convert to fraction form
    224,623.52/309,986.84 = 122,655.46/x
  3. Step 3: Cross multiply
    224,623.52x = 309,986.84 × 122,655.46
  4. Step 4: Simplify right side
    224,623.52x = 38,021,577,985.82
  5. Step 5: Solve for x
    x = 38,021,577,985.82/224,623.52
  6. Step 6: Final answer
    x = 169,268.02

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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.