Home / 211,895.92-292,420.02-116,406.64

Finding the Fourth Proportional to 211,895.92, 292,420.02 and 116,406.64

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Solution

The fourth proportional to 211,895.92, 292,420.02 and 116,406.64 is: 160,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,895.92 : 292,420.02 = 116,406.64 : x
  2. Step 2: Convert to fraction form
    211,895.92/292,420.02 = 116,406.64/x
  3. Step 3: Cross multiply
    211,895.92x = 292,420.02 × 116,406.64
  4. Step 4: Simplify right side
    211,895.92x = 34,039,631,996.93
  5. Step 5: Solve for x
    x = 34,039,631,996.93/211,895.92
  6. Step 6: Final answer
    x = 160,643.17

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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.