Home / 127,248.16-190,872.72-44,142.40

Finding the Fourth Proportional to 127,248.16, 190,872.72 and 44,142.40

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Solution

The fourth proportional to 127,248.16, 190,872.72 and 44,142.40 is: 66,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,248.16 : 190,872.72 = 44,142.40 : x
  2. Step 2: Convert to fraction form
    127,248.16/190,872.72 = 44,142.40/x
  3. Step 3: Cross multiply
    127,248.16x = 190,872.72 × 44,142.40
  4. Step 4: Simplify right side
    127,248.16x = 8,425,579,955.33
  5. Step 5: Solve for x
    x = 8,425,579,955.33/127,248.16
  6. Step 6: Final answer
    x = 66,213.77

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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.