Home / 212,378.63-293,083.34-116,888.72

Finding the Fourth Proportional to 212,378.63, 293,083.34 and 116,888.72

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Solution

The fourth proportional to 212,378.63, 293,083.34 and 116,888.72 is: 161,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,378.63 : 293,083.34 = 116,888.72 : x
  2. Step 2: Convert to fraction form
    212,378.63/293,083.34 = 116,888.72/x
  3. Step 3: Cross multiply
    212,378.63x = 293,083.34 × 116,888.72
  4. Step 4: Simplify right side
    212,378.63x = 34,258,134,416.06
  5. Step 5: Solve for x
    x = 34,258,134,416.06/212,378.63
  6. Step 6: Final answer
    x = 161,306.88

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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.