Home / 152,281.19-228,417.03-72,376.68

Finding the Fourth Proportional to 152,281.19, 228,417.03 and 72,376.68

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Solution

The fourth proportional to 152,281.19, 228,417.03 and 72,376.68 is: 108,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,281.19 : 228,417.03 = 72,376.68 : x
  2. Step 2: Convert to fraction form
    152,281.19/228,417.03 = 72,376.68/x
  3. Step 3: Cross multiply
    152,281.19x = 228,417.03 × 72,376.68
  4. Step 4: Simplify right side
    152,281.19x = 16,532,066,286.86
  5. Step 5: Solve for x
    x = 16,532,066,286.86/152,281.19
  6. Step 6: Final answer
    x = 108,562.76

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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.