Home / 147,596.88-221,397.48-140,425.68

Finding the Fourth Proportional to 147,596.88, 221,397.48 and 140,425.68

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Solution

The fourth proportional to 147,596.88, 221,397.48 and 140,425.68 is: 210,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,596.88 : 221,397.48 = 140,425.68 : x
  2. Step 2: Convert to fraction form
    147,596.88/221,397.48 = 140,425.68/x
  3. Step 3: Cross multiply
    147,596.88x = 221,397.48 × 140,425.68
  4. Step 4: Simplify right side
    147,596.88x = 31,089,891,679.29
  5. Step 5: Solve for x
    x = 31,089,891,679.29/147,596.88
  6. Step 6: Final answer
    x = 210,640.58

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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.