Home / 152,207.86-228,313.31-67,972.28

Finding the Fourth Proportional to 152,207.86, 228,313.31 and 67,972.28

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Solution

The fourth proportional to 152,207.86, 228,313.31 and 67,972.28 is: 101,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,207.86 : 228,313.31 = 67,972.28 : x
  2. Step 2: Convert to fraction form
    152,207.86/228,313.31 = 67,972.28/x
  3. Step 3: Cross multiply
    152,207.86x = 228,313.31 × 67,972.28
  4. Step 4: Simplify right side
    152,207.86x = 15,518,975,895.19
  5. Step 5: Solve for x
    x = 15,518,975,895.19/152,207.86
  6. Step 6: Final answer
    x = 101,959.10

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1.5x scale

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.