Home / 109,428.15-164,159.79-46,248.91

Finding the Fourth Proportional to 109,428.15, 164,159.79 and 46,248.91

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Solution

The fourth proportional to 109,428.15, 164,159.79 and 46,248.91 is: 69,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,428.15 : 164,159.79 = 46,248.91 : x
  2. Step 2: Convert to fraction form
    109,428.15/164,159.79 = 46,248.91/x
  3. Step 3: Cross multiply
    109,428.15x = 164,159.79 × 46,248.91
  4. Step 4: Simplify right side
    109,428.15x = 7,592,211,353.33
  5. Step 5: Solve for x
    x = 7,592,211,353.33/109,428.15
  6. Step 6: Final answer
    x = 69,380.79

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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.