Home / 152,103.12-228,078.52-46,908.40

Finding the Fourth Proportional to 152,103.12, 228,078.52 and 46,908.40

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Solution

The fourth proportional to 152,103.12, 228,078.52 and 46,908.40 is: 70,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.12 : 228,078.52 = 46,908.40 : x
  2. Step 2: Convert to fraction form
    152,103.12/228,078.52 = 46,908.40/x
  3. Step 3: Cross multiply
    152,103.12x = 228,078.52 × 46,908.40
  4. Step 4: Simplify right side
    152,103.12x = 10,698,798,447.57
  5. Step 5: Solve for x
    x = 10,698,798,447.57/152,103.12
  6. Step 6: Final answer
    x = 70,339.11

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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.