Home / 127,117.67-190,677.86-38,371.91

Finding the Fourth Proportional to 127,117.67, 190,677.86 and 38,371.91

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Solution

The fourth proportional to 127,117.67, 190,677.86 and 38,371.91 is: 57,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.67 : 190,677.86 = 38,371.91 : x
  2. Step 2: Convert to fraction form
    127,117.67/190,677.86 = 38,371.91/x
  3. Step 3: Cross multiply
    127,117.67x = 190,677.86 × 38,371.91
  4. Step 4: Simplify right side
    127,117.67x = 7,316,673,491.05
  5. Step 5: Solve for x
    x = 7,316,673,491.05/127,117.67
  6. Step 6: Final answer
    x = 57,558.27

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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.