Home / 212,937.60-293,706.54-172,653.06

Finding the Fourth Proportional to 212,937.60, 293,706.54 and 172,653.06

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Solution

The fourth proportional to 212,937.60, 293,706.54 and 172,653.06 is: 238,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,937.60 : 293,706.54 = 172,653.06 : x
  2. Step 2: Convert to fraction form
    212,937.60/293,706.54 = 172,653.06/x
  3. Step 3: Cross multiply
    212,937.60x = 293,706.54 × 172,653.06
  4. Step 4: Simplify right side
    212,937.60x = 50,709,332,873.01
  5. Step 5: Solve for x
    x = 50,709,332,873.01/212,937.60
  6. Step 6: Final answer
    x = 238,141.75

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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.