Home / 133,848.90-200,560.10-70,666.47

Finding the Fourth Proportional to 133,848.90, 200,560.10 and 70,666.47

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Solution

The fourth proportional to 133,848.90, 200,560.10 and 70,666.47 is: 105,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,848.90 : 200,560.10 = 70,666.47 : x
  2. Step 2: Convert to fraction form
    133,848.90/200,560.10 = 70,666.47/x
  3. Step 3: Cross multiply
    133,848.90x = 200,560.10 × 70,666.47
  4. Step 4: Simplify right side
    133,848.90x = 14,172,873,936.51
  5. Step 5: Solve for x
    x = 14,172,873,936.51/133,848.90
  6. Step 6: Final answer
    x = 105,887.12

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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.