Home / 136,665.67-204,998.53-70,063.32

Finding the Fourth Proportional to 136,665.67, 204,998.53 and 70,063.32

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Solution

The fourth proportional to 136,665.67, 204,998.53 and 70,063.32 is: 105,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,665.67 : 204,998.53 = 70,063.32 : x
  2. Step 2: Convert to fraction form
    136,665.67/204,998.53 = 70,063.32/x
  3. Step 3: Cross multiply
    136,665.67x = 204,998.53 × 70,063.32
  4. Step 4: Simplify right side
    136,665.67x = 14,362,877,937.32
  5. Step 5: Solve for x
    x = 14,362,877,937.32/136,665.67
  6. Step 6: Final answer
    x = 105,094.99

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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.