Home / 152,775.08-210,874.56-99,063.44

Finding the Fourth Proportional to 152,775.08, 210,874.56 and 99,063.44

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Solution

The fourth proportional to 152,775.08, 210,874.56 and 99,063.44 is: 136,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,775.08 : 210,874.56 = 99,063.44 : x
  2. Step 2: Convert to fraction form
    152,775.08/210,874.56 = 99,063.44/x
  3. Step 3: Cross multiply
    152,775.08x = 210,874.56 × 99,063.44
  4. Step 4: Simplify right side
    152,775.08x = 20,889,959,322.09
  5. Step 5: Solve for x
    x = 20,889,959,322.09/152,775.08
  6. Step 6: Final answer
    x = 136,736.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.