Home / 127,094.16-190,636.34-38,345.30

Finding the Fourth Proportional to 127,094.16, 190,636.34 and 38,345.30

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Solution

The fourth proportional to 127,094.16, 190,636.34 and 38,345.30 is: 57,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,094.16 : 190,636.34 = 38,345.30 : x
  2. Step 2: Convert to fraction form
    127,094.16/190,636.34 = 38,345.30/x
  3. Step 3: Cross multiply
    127,094.16x = 190,636.34 × 38,345.30
  4. Step 4: Simplify right side
    127,094.16x = 7,310,007,218.18
  5. Step 5: Solve for x
    x = 7,310,007,218.18/127,094.16
  6. Step 6: Final answer
    x = 57,516.47

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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.