Home / 127,280.70-190,930.62-38,541.35

Finding the Fourth Proportional to 127,280.70, 190,930.62 and 38,541.35

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Solution

The fourth proportional to 127,280.70, 190,930.62 and 38,541.35 is: 57,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,280.70 : 190,930.62 = 38,541.35 : x
  2. Step 2: Convert to fraction form
    127,280.70/190,930.62 = 38,541.35/x
  3. Step 3: Cross multiply
    127,280.70x = 190,930.62 × 38,541.35
  4. Step 4: Simplify right side
    127,280.70x = 7,358,724,328.46
  5. Step 5: Solve for x
    x = 7,358,724,328.46/127,280.70
  6. Step 6: Final answer
    x = 57,814.93

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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.