Home / 152,046.72-228,070.08-105,332.40

Finding the Fourth Proportional to 152,046.72, 228,070.08 and 105,332.40

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Solution

The fourth proportional to 152,046.72, 228,070.08 and 105,332.40 is: 157,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,046.72 : 228,070.08 = 105,332.40 : x
  2. Step 2: Convert to fraction form
    152,046.72/228,070.08 = 105,332.40/x
  3. Step 3: Cross multiply
    152,046.72x = 228,070.08 × 105,332.40
  4. Step 4: Simplify right side
    152,046.72x = 24,023,168,894.59
  5. Step 5: Solve for x
    x = 24,023,168,894.59/152,046.72
  6. Step 6: Final answer
    x = 157,998.60

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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.