Home / 106,010.20-159,015.30-46,815.40

Finding the Fourth Proportional to 106,010.20, 159,015.30 and 46,815.40

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Solution

The fourth proportional to 106,010.20, 159,015.30 and 46,815.40 is: 70,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,010.20 : 159,015.30 = 46,815.40 : x
  2. Step 2: Convert to fraction form
    106,010.20/159,015.30 = 46,815.40/x
  3. Step 3: Cross multiply
    106,010.20x = 159,015.30 × 46,815.40
  4. Step 4: Simplify right side
    106,010.20x = 7,444,364,875.62
  5. Step 5: Solve for x
    x = 7,444,364,875.62/106,010.20
  6. Step 6: Final answer
    x = 70,223.10

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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.