Home / 124,043.14-171,195.88-120,665.58

Finding the Fourth Proportional to 124,043.14, 171,195.88 and 120,665.58

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Solution

The fourth proportional to 124,043.14, 171,195.88 and 120,665.58 is: 166,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,043.14 : 171,195.88 = 120,665.58 : x
  2. Step 2: Convert to fraction form
    124,043.14/171,195.88 = 120,665.58/x
  3. Step 3: Cross multiply
    124,043.14x = 171,195.88 × 120,665.58
  4. Step 4: Simplify right side
    124,043.14x = 20,657,450,153.81
  5. Step 5: Solve for x
    x = 20,657,450,153.81/124,043.14
  6. Step 6: Final answer
    x = 166,534.40

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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.