Home / 141,212-211,905.54-82,075.52

Finding the Fourth Proportional to 141,212, 211,905.54 and 82,075.52

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Solution

The fourth proportional to 141,212, 211,905.54 and 82,075.52 is: 123,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212 : 211,905.54 = 82,075.52 : x
  2. Step 2: Convert to fraction form
    141,212/211,905.54 = 82,075.52/x
  3. Step 3: Cross multiply
    141,212x = 211,905.54 × 82,075.52
  4. Step 4: Simplify right side
    141,212x = 17,392,257,386.38
  5. Step 5: Solve for x
    x = 17,392,257,386.38/141,212
  6. Step 6: Final answer
    x = 123,164.16

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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.