Home / 127,176.15-190,804.32-79,824.18

Finding the Fourth Proportional to 127,176.15, 190,804.32 and 79,824.18

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Solution

The fourth proportional to 127,176.15, 190,804.32 and 79,824.18 is: 119,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,176.15 : 190,804.32 = 79,824.18 : x
  2. Step 2: Convert to fraction form
    127,176.15/190,804.32 = 79,824.18/x
  3. Step 3: Cross multiply
    127,176.15x = 190,804.32 × 79,824.18
  4. Step 4: Simplify right side
    127,176.15x = 15,230,798,384.46
  5. Step 5: Solve for x
    x = 15,230,798,384.46/127,176.15
  6. Step 6: Final answer
    x = 119,761.44

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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.