Home / 212,817.45-293,690.13-117,327.63

Finding the Fourth Proportional to 212,817.45, 293,690.13 and 117,327.63

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Solution

The fourth proportional to 212,817.45, 293,690.13 and 117,327.63 is: 161,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,817.45 : 293,690.13 = 117,327.63 : x
  2. Step 2: Convert to fraction form
    212,817.45/293,690.13 = 117,327.63/x
  3. Step 3: Cross multiply
    212,817.45x = 293,690.13 × 117,327.63
  4. Step 4: Simplify right side
    212,817.45x = 34,457,966,907.29
  5. Step 5: Solve for x
    x = 34,457,966,907.29/212,817.45
  6. Step 6: Final answer
    x = 161,913.26

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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.