Home / 127,266.48-190,890-43,033.68

Finding the Fourth Proportional to 127,266.48, 190,890 and 43,033.68

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Solution

The fourth proportional to 127,266.48, 190,890 and 43,033.68 is: 64,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.48 : 190,890 = 43,033.68 : x
  2. Step 2: Convert to fraction form
    127,266.48/190,890 = 43,033.68/x
  3. Step 3: Cross multiply
    127,266.48x = 190,890 × 43,033.68
  4. Step 4: Simplify right side
    127,266.48x = 8,214,699,175.20
  5. Step 5: Solve for x
    x = 8,214,699,175.20/127,266.48
  6. Step 6: Final answer
    x = 64,547.23

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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.