Home / 106,009.20-159,013.80-46,814.40

Finding the Fourth Proportional to 106,009.20, 159,013.80 and 46,814.40

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Solution

The fourth proportional to 106,009.20, 159,013.80 and 46,814.40 is: 70,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,009.20 : 159,013.80 = 46,814.40 : x
  2. Step 2: Convert to fraction form
    106,009.20/159,013.80 = 46,814.40/x
  3. Step 3: Cross multiply
    106,009.20x = 159,013.80 × 46,814.40
  4. Step 4: Simplify right side
    106,009.20x = 7,444,135,638.72
  5. Step 5: Solve for x
    x = 7,444,135,638.72/106,009.20
  6. Step 6: Final answer
    x = 70,221.60

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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.