Home / 127,461.23-191,179.38-38,715.50

Finding the Fourth Proportional to 127,461.23, 191,179.38 and 38,715.50

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Solution

The fourth proportional to 127,461.23, 191,179.38 and 38,715.50 is: 58,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,461.23 : 191,179.38 = 38,715.50 : x
  2. Step 2: Convert to fraction form
    127,461.23/191,179.38 = 38,715.50/x
  3. Step 3: Cross multiply
    127,461.23x = 191,179.38 × 38,715.50
  4. Step 4: Simplify right side
    127,461.23x = 7,401,605,286.39
  5. Step 5: Solve for x
    x = 7,401,605,286.39/127,461.23
  6. Step 6: Final answer
    x = 58,069.46

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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.