Home / 158,833.48-219,043.80-107,922.40

Finding the Fourth Proportional to 158,833.48, 219,043.80 and 107,922.40

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Solution

The fourth proportional to 158,833.48, 219,043.80 and 107,922.40 is: 148,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,833.48 : 219,043.80 = 107,922.40 : x
  2. Step 2: Convert to fraction form
    158,833.48/219,043.80 = 107,922.40/x
  3. Step 3: Cross multiply
    158,833.48x = 219,043.80 × 107,922.40
  4. Step 4: Simplify right side
    158,833.48x = 23,639,732,601.12
  5. Step 5: Solve for x
    x = 23,639,732,601.12/158,833.48
  6. Step 6: Final answer
    x = 148,833.44

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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.