Home / 212,800.08-293,666.16-117,310.20

Finding the Fourth Proportional to 212,800.08, 293,666.16 and 117,310.20

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Solution

The fourth proportional to 212,800.08, 293,666.16 and 117,310.20 is: 161,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,800.08 : 293,666.16 = 117,310.20 : x
  2. Step 2: Convert to fraction form
    212,800.08/293,666.16 = 117,310.20/x
  3. Step 3: Cross multiply
    212,800.08x = 293,666.16 × 117,310.20
  4. Step 4: Simplify right side
    212,800.08x = 34,450,035,962.83
  5. Step 5: Solve for x
    x = 34,450,035,962.83/212,800.08
  6. Step 6: Final answer
    x = 161,889.21

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1.5x scale

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.