Home / 127,118.40-190,602.81-48,238.16

Finding the Fourth Proportional to 127,118.40, 190,602.81 and 48,238.16

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Solution

The fourth proportional to 127,118.40, 190,602.81 and 48,238.16 is: 72,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.40 : 190,602.81 = 48,238.16 : x
  2. Step 2: Convert to fraction form
    127,118.40/190,602.81 = 48,238.16/x
  3. Step 3: Cross multiply
    127,118.40x = 190,602.81 × 48,238.16
  4. Step 4: Simplify right side
    127,118.40x = 9,194,328,845.23
  5. Step 5: Solve for x
    x = 9,194,328,845.23/127,118.40
  6. Step 6: Final answer
    x = 72,328.86

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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.