Home / 148,748.25-205,251.93-87,497.22

Finding the Fourth Proportional to 148,748.25, 205,251.93 and 87,497.22

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Solution

The fourth proportional to 148,748.25, 205,251.93 and 87,497.22 is: 120,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,748.25 : 205,251.93 = 87,497.22 : x
  2. Step 2: Convert to fraction form
    148,748.25/205,251.93 = 87,497.22/x
  3. Step 3: Cross multiply
    148,748.25x = 205,251.93 × 87,497.22
  4. Step 4: Simplify right side
    148,748.25x = 17,958,973,274.63
  5. Step 5: Solve for x
    x = 17,958,973,274.63/148,748.25
  6. Step 6: Final answer
    x = 120,734.01

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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.