Home / 152,767.08-210,863.52-99,055.44

Finding the Fourth Proportional to 152,767.08, 210,863.52 and 99,055.44

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Solution

The fourth proportional to 152,767.08, 210,863.52 and 99,055.44 is: 136,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,767.08 : 210,863.52 = 99,055.44 : x
  2. Step 2: Convert to fraction form
    152,767.08/210,863.52 = 99,055.44/x
  3. Step 3: Cross multiply
    152,767.08x = 210,863.52 × 99,055.44
  4. Step 4: Simplify right side
    152,767.08x = 20,887,178,753.55
  5. Step 5: Solve for x
    x = 20,887,178,753.55/152,767.08
  6. Step 6: Final answer
    x = 136,725.65

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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.