Home / 127,039.16-190,672.95-67,925.36

Finding the Fourth Proportional to 127,039.16, 190,672.95 and 67,925.36

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Solution

The fourth proportional to 127,039.16, 190,672.95 and 67,925.36 is: 101,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,039.16 : 190,672.95 = 67,925.36 : x
  2. Step 2: Convert to fraction form
    127,039.16/190,672.95 = 67,925.36/x
  3. Step 3: Cross multiply
    127,039.16x = 190,672.95 × 67,925.36
  4. Step 4: Simplify right side
    127,039.16x = 12,951,528,771.01
  5. Step 5: Solve for x
    x = 12,951,528,771.01/127,039.16
  6. Step 6: Final answer
    x = 101,949.11

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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.