Home / 202,203.08-279,038.49-111,559.85

Finding the Fourth Proportional to 202,203.08, 279,038.49 and 111,559.85

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Solution

The fourth proportional to 202,203.08, 279,038.49 and 111,559.85 is: 153,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,203.08 : 279,038.49 = 111,559.85 : x
  2. Step 2: Convert to fraction form
    202,203.08/279,038.49 = 111,559.85/x
  3. Step 3: Cross multiply
    202,203.08x = 279,038.49 × 111,559.85
  4. Step 4: Simplify right side
    202,203.08x = 31,129,492,088.63
  5. Step 5: Solve for x
    x = 31,129,492,088.63/202,203.08
  6. Step 6: Final answer
    x = 153,951.62

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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.