Home / 127,509.69-191,257.61-38,756.28

Finding the Fourth Proportional to 127,509.69, 191,257.61 and 38,756.28

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Solution

The fourth proportional to 127,509.69, 191,257.61 and 38,756.28 is: 58,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,509.69 : 191,257.61 = 38,756.28 : x
  2. Step 2: Convert to fraction form
    127,509.69/191,257.61 = 38,756.28/x
  3. Step 3: Cross multiply
    127,509.69x = 191,257.61 × 38,756.28
  4. Step 4: Simplify right side
    127,509.69x = 7,412,433,312.63
  5. Step 5: Solve for x
    x = 7,412,433,312.63/127,509.69
  6. Step 6: Final answer
    x = 58,132.31

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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.