Home / 127,117.17-190,677.11-38,371.41

Finding the Fourth Proportional to 127,117.17, 190,677.11 and 38,371.41

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Solution

The fourth proportional to 127,117.17, 190,677.11 and 38,371.41 is: 57,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.17 : 190,677.11 = 38,371.41 : x
  2. Step 2: Convert to fraction form
    127,117.17/190,677.11 = 38,371.41/x
  3. Step 3: Cross multiply
    127,117.17x = 190,677.11 × 38,371.41
  4. Step 4: Simplify right side
    127,117.17x = 7,316,549,373.57
  5. Step 5: Solve for x
    x = 7,316,549,373.57/127,117.17
  6. Step 6: Final answer
    x = 57,557.52

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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.