Home / 127,604.77-191,484.61-47,700.90

Finding the Fourth Proportional to 127,604.77, 191,484.61 and 47,700.90

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Solution

The fourth proportional to 127,604.77, 191,484.61 and 47,700.90 is: 71,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,604.77 : 191,484.61 = 47,700.90 : x
  2. Step 2: Convert to fraction form
    127,604.77/191,484.61 = 47,700.90/x
  3. Step 3: Cross multiply
    127,604.77x = 191,484.61 × 47,700.90
  4. Step 4: Simplify right side
    127,604.77x = 9,133,988,113.90
  5. Step 5: Solve for x
    x = 9,133,988,113.90/127,604.77
  6. Step 6: Final answer
    x = 71,580.30

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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.