Home / 152,683.47-228,876.28-72,699.94

Finding the Fourth Proportional to 152,683.47, 228,876.28 and 72,699.94

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Solution

The fourth proportional to 152,683.47, 228,876.28 and 72,699.94 is: 108,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,683.47 : 228,876.28 = 72,699.94 : x
  2. Step 2: Convert to fraction form
    152,683.47/228,876.28 = 72,699.94/x
  3. Step 3: Cross multiply
    152,683.47x = 228,876.28 × 72,699.94
  4. Step 4: Simplify right side
    152,683.47x = 16,639,292,585.89
  5. Step 5: Solve for x
    x = 16,639,292,585.89/152,683.47
  6. Step 6: Final answer
    x = 108,979.01

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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.