Home / 127,246.40-190,869.60-97,721.90

Finding the Fourth Proportional to 127,246.40, 190,869.60 and 97,721.90

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Solution

The fourth proportional to 127,246.40, 190,869.60 and 97,721.90 is: 146,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.40 : 190,869.60 = 97,721.90 : x
  2. Step 2: Convert to fraction form
    127,246.40/190,869.60 = 97,721.90/x
  3. Step 3: Cross multiply
    127,246.40x = 190,869.60 × 97,721.90
  4. Step 4: Simplify right side
    127,246.40x = 18,652,139,964.24
  5. Step 5: Solve for x
    x = 18,652,139,964.24/127,246.40
  6. Step 6: Final answer
    x = 146,582.85

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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.