Home / 152,318.60-228,315.90-73,381.40

Finding the Fourth Proportional to 152,318.60, 228,315.90 and 73,381.40

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Solution

The fourth proportional to 152,318.60, 228,315.90 and 73,381.40 is: 109,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.60 : 228,315.90 = 73,381.40 : x
  2. Step 2: Convert to fraction form
    152,318.60/228,315.90 = 73,381.40/x
  3. Step 3: Cross multiply
    152,318.60x = 228,315.90 × 73,381.40
  4. Step 4: Simplify right side
    152,318.60x = 16,754,140,384.26
  5. Step 5: Solve for x
    x = 16,754,140,384.26/152,318.60
  6. Step 6: Final answer
    x = 109,994.05

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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.