Home / 330,916.86-456,660.99-180,013.86

Finding the Fourth Proportional to 330,916.86, 456,660.99 and 180,013.86

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Solution

The fourth proportional to 330,916.86, 456,660.99 and 180,013.86 is: 248,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,916.86 : 456,660.99 = 180,013.86 : x
  2. Step 2: Convert to fraction form
    330,916.86/456,660.99 = 180,013.86/x
  3. Step 3: Cross multiply
    330,916.86x = 456,660.99 × 180,013.86
  4. Step 4: Simplify right side
    330,916.86x = 82,205,307,521.32
  5. Step 5: Solve for x
    x = 82,205,307,521.32/330,916.86
  6. Step 6: Final answer
    x = 248,416.80

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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.