Home / 212,916.20-319,374.30-177,924.20

Finding the Fourth Proportional to 212,916.20, 319,374.30 and 177,924.20

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Solution

The fourth proportional to 212,916.20, 319,374.30 and 177,924.20 is: 266,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,916.20 : 319,374.30 = 177,924.20 : x
  2. Step 2: Convert to fraction form
    212,916.20/319,374.30 = 177,924.20/x
  3. Step 3: Cross multiply
    212,916.20x = 319,374.30 × 177,924.20
  4. Step 4: Simplify right side
    212,916.20x = 56,824,416,828.06
  5. Step 5: Solve for x
    x = 56,824,416,828.06/212,916.20
  6. Step 6: Final answer
    x = 266,886.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.