Home / 202,953.03-280,089.24-112,312.80

Finding the Fourth Proportional to 202,953.03, 280,089.24 and 112,312.80

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Solution

The fourth proportional to 202,953.03, 280,089.24 and 112,312.80 is: 154,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,953.03 : 280,089.24 = 112,312.80 : x
  2. Step 2: Convert to fraction form
    202,953.03/280,089.24 = 112,312.80/x
  3. Step 3: Cross multiply
    202,953.03x = 280,089.24 × 112,312.80
  4. Step 4: Simplify right side
    202,953.03x = 31,457,606,794.27
  5. Step 5: Solve for x
    x = 31,457,606,794.27/202,953.03
  6. Step 6: Final answer
    x = 154,999.44

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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.