Home / 211,870.08-317,802.96-64,126.08

Finding the Fourth Proportional to 211,870.08, 317,802.96 and 64,126.08

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Solution

The fourth proportional to 211,870.08, 317,802.96 and 64,126.08 is: 96,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,870.08 : 317,802.96 = 64,126.08 : x
  2. Step 2: Convert to fraction form
    211,870.08/317,802.96 = 64,126.08/x
  3. Step 3: Cross multiply
    211,870.08x = 317,802.96 × 64,126.08
  4. Step 4: Simplify right side
    211,870.08x = 20,379,458,037.20
  5. Step 5: Solve for x
    x = 20,379,458,037.20/211,870.08
  6. Step 6: Final answer
    x = 96,188.47

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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.