Home / 106,347.36-159,557.16-66,858.24

Finding the Fourth Proportional to 106,347.36, 159,557.16 and 66,858.24

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Solution

The fourth proportional to 106,347.36, 159,557.16 and 66,858.24 is: 100,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,347.36 : 159,557.16 = 66,858.24 : x
  2. Step 2: Convert to fraction form
    106,347.36/159,557.16 = 66,858.24/x
  3. Step 3: Cross multiply
    106,347.36x = 159,557.16 × 66,858.24
  4. Step 4: Simplify right side
    106,347.36x = 10,667,710,897.00
  5. Step 5: Solve for x
    x = 10,667,710,897.00/106,347.36
  6. Step 6: Final answer
    x = 100,310.07

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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.