Home / 168,154.55-231,922.06-107,730.81

Finding the Fourth Proportional to 168,154.55, 231,922.06 and 107,730.81

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Solution

The fourth proportional to 168,154.55, 231,922.06 and 107,730.81 is: 148,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154.55 : 231,922.06 = 107,730.81 : x
  2. Step 2: Convert to fraction form
    168,154.55/231,922.06 = 107,730.81/x
  3. Step 3: Cross multiply
    168,154.55x = 231,922.06 × 107,730.81
  4. Step 4: Simplify right side
    168,154.55x = 24,985,151,111.34
  5. Step 5: Solve for x
    x = 24,985,151,111.34/168,154.55
  6. Step 6: Final answer
    x = 148,584.45

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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.