Home / 212,626.64-293,423.40-117,131.12

Finding the Fourth Proportional to 212,626.64, 293,423.40 and 117,131.12

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Solution

The fourth proportional to 212,626.64, 293,423.40 and 117,131.12 is: 161,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,626.64 : 293,423.40 = 117,131.12 : x
  2. Step 2: Convert to fraction form
    212,626.64/293,423.40 = 117,131.12/x
  3. Step 3: Cross multiply
    212,626.64x = 293,423.40 × 117,131.12
  4. Step 4: Simplify right side
    212,626.64x = 34,369,011,476.21
  5. Step 5: Solve for x
    x = 34,369,011,476.21/212,626.64
  6. Step 6: Final answer
    x = 161,640.19

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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.