Home / 127,034.19-190,625.12-56,913.51

Finding the Fourth Proportional to 127,034.19, 190,625.12 and 56,913.51

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Solution

The fourth proportional to 127,034.19, 190,625.12 and 56,913.51 is: 85,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,034.19 : 190,625.12 = 56,913.51 : x
  2. Step 2: Convert to fraction form
    127,034.19/190,625.12 = 56,913.51/x
  3. Step 3: Cross multiply
    127,034.19x = 190,625.12 × 56,913.51
  4. Step 4: Simplify right side
    127,034.19x = 10,849,144,388.80
  5. Step 5: Solve for x
    x = 10,849,144,388.80/127,034.19
  6. Step 6: Final answer
    x = 85,403.34

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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.