Home / 127,092.12-190,505.16-42,823.17

Finding the Fourth Proportional to 127,092.12, 190,505.16 and 42,823.17

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Solution

The fourth proportional to 127,092.12, 190,505.16 and 42,823.17 is: 64,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,092.12 : 190,505.16 = 42,823.17 : x
  2. Step 2: Convert to fraction form
    127,092.12/190,505.16 = 42,823.17/x
  3. Step 3: Cross multiply
    127,092.12x = 190,505.16 × 42,823.17
  4. Step 4: Simplify right side
    127,092.12x = 8,158,034,852.56
  5. Step 5: Solve for x
    x = 8,158,034,852.56/127,092.12
  6. Step 6: Final answer
    x = 64,189.93

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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.