Home / 127,253.38-190,848.54-43,011.68

Finding the Fourth Proportional to 127,253.38, 190,848.54 and 43,011.68

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Solution

The fourth proportional to 127,253.38, 190,848.54 and 43,011.68 is: 64,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253.38 : 190,848.54 = 43,011.68 : x
  2. Step 2: Convert to fraction form
    127,253.38/190,848.54 = 43,011.68/x
  3. Step 3: Cross multiply
    127,253.38x = 190,848.54 × 43,011.68
  4. Step 4: Simplify right side
    127,253.38x = 8,208,716,808.07
  5. Step 5: Solve for x
    x = 8,208,716,808.07/127,253.38
  6. Step 6: Final answer
    x = 64,506.87

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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.