Home / 127,336.50-191,016.90-52,461.72

Finding the Fourth Proportional to 127,336.50, 191,016.90 and 52,461.72

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Solution

The fourth proportional to 127,336.50, 191,016.90 and 52,461.72 is: 78,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,336.50 : 191,016.90 = 52,461.72 : x
  2. Step 2: Convert to fraction form
    127,336.50/191,016.90 = 52,461.72/x
  3. Step 3: Cross multiply
    127,336.50x = 191,016.90 × 52,461.72
  4. Step 4: Simplify right side
    127,336.50x = 10,021,075,123.07
  5. Step 5: Solve for x
    x = 10,021,075,123.07/127,336.50
  6. Step 6: Final answer
    x = 78,697.59

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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.