Home / 152,421.10-228,631.65-47,250.70

Finding the Fourth Proportional to 152,421.10, 228,631.65 and 47,250.70

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Solution

The fourth proportional to 152,421.10, 228,631.65 and 47,250.70 is: 70,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,421.10 : 228,631.65 = 47,250.70 : x
  2. Step 2: Convert to fraction form
    152,421.10/228,631.65 = 47,250.70/x
  3. Step 3: Cross multiply
    152,421.10x = 228,631.65 × 47,250.70
  4. Step 4: Simplify right side
    152,421.10x = 10,803,005,504.66
  5. Step 5: Solve for x
    x = 10,803,005,504.66/152,421.10
  6. Step 6: Final answer
    x = 70,876.05

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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.