Home / 127,148.40-190,713.29-52,248.24

Finding the Fourth Proportional to 127,148.40, 190,713.29 and 52,248.24

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Solution

The fourth proportional to 127,148.40, 190,713.29 and 52,248.24 is: 78,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,148.40 : 190,713.29 = 52,248.24 : x
  2. Step 2: Convert to fraction form
    127,148.40/190,713.29 = 52,248.24/x
  3. Step 3: Cross multiply
    127,148.40x = 190,713.29 × 52,248.24
  4. Step 4: Simplify right side
    127,148.40x = 9,964,433,485.87
  5. Step 5: Solve for x
    x = 9,964,433,485.87/127,148.40
  6. Step 6: Final answer
    x = 78,368.53

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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.