Home / 133,584.52-199,987.58-70,254.40

Finding the Fourth Proportional to 133,584.52, 199,987.58 and 70,254.40

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Solution

The fourth proportional to 133,584.52, 199,987.58 and 70,254.40 is: 105,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,584.52 : 199,987.58 = 70,254.40 : x
  2. Step 2: Convert to fraction form
    133,584.52/199,987.58 = 70,254.40/x
  3. Step 3: Cross multiply
    133,584.52x = 199,987.58 × 70,254.40
  4. Step 4: Simplify right side
    133,584.52x = 14,050,007,440.35
  5. Step 5: Solve for x
    x = 14,050,007,440.35/133,584.52
  6. Step 6: Final answer
    x = 105,176.91

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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.