Home / 127,065.69-190,615.07-38,328.17

Finding the Fourth Proportional to 127,065.69, 190,615.07 and 38,328.17

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Solution

The fourth proportional to 127,065.69, 190,615.07 and 38,328.17 is: 57,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.69 : 190,615.07 = 38,328.17 : x
  2. Step 2: Convert to fraction form
    127,065.69/190,615.07 = 38,328.17/x
  3. Step 3: Cross multiply
    127,065.69x = 190,615.07 × 38,328.17
  4. Step 4: Simplify right side
    127,065.69x = 7,305,925,950.27
  5. Step 5: Solve for x
    x = 7,305,925,950.27/127,065.69
  6. Step 6: Final answer
    x = 57,497.24

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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.