Home / 219,886.45-303,417.70-123,095.60

Finding the Fourth Proportional to 219,886.45, 303,417.70 and 123,095.60

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Solution

The fourth proportional to 219,886.45, 303,417.70 and 123,095.60 is: 169,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,886.45 : 303,417.70 = 123,095.60 : x
  2. Step 2: Convert to fraction form
    219,886.45/303,417.70 = 123,095.60/x
  3. Step 3: Cross multiply
    219,886.45x = 303,417.70 × 123,095.60
  4. Step 4: Simplify right side
    219,886.45x = 37,349,383,145.11
  5. Step 5: Solve for x
    x = 37,349,383,145.11/219,886.45
  6. Step 6: Final answer
    x = 169,857.59

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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.