Home / 127,449.12-190,098.16-110,677.28

Finding the Fourth Proportional to 127,449.12, 190,098.16 and 110,677.28

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Solution

The fourth proportional to 127,449.12, 190,098.16 and 110,677.28 is: 165,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,449.12 : 190,098.16 = 110,677.28 : x
  2. Step 2: Convert to fraction form
    127,449.12/190,098.16 = 110,677.28/x
  3. Step 3: Cross multiply
    127,449.12x = 190,098.16 × 110,677.28
  4. Step 4: Simplify right side
    127,449.12x = 21,039,547,281.80
  5. Step 5: Solve for x
    x = 21,039,547,281.80/127,449.12
  6. Step 6: Final answer
    x = 165,081.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.