Home / 122,275.12-183,141.72-93,986.88

Finding the Fourth Proportional to 122,275.12, 183,141.72 and 93,986.88

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Solution

The fourth proportional to 122,275.12, 183,141.72 and 93,986.88 is: 140,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,275.12 : 183,141.72 = 93,986.88 : x
  2. Step 2: Convert to fraction form
    122,275.12/183,141.72 = 93,986.88/x
  3. Step 3: Cross multiply
    122,275.12x = 183,141.72 × 93,986.88
  4. Step 4: Simplify right side
    122,275.12x = 17,212,918,860.63
  5. Step 5: Solve for x
    x = 17,212,918,860.63/122,275.12
  6. Step 6: Final answer
    x = 140,772.05

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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.