Home / 105,905.10-158,857.65-35,783.40

Finding the Fourth Proportional to 105,905.10, 158,857.65 and 35,783.40

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Solution

The fourth proportional to 105,905.10, 158,857.65 and 35,783.40 is: 53,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,905.10 : 158,857.65 = 35,783.40 : x
  2. Step 2: Convert to fraction form
    105,905.10/158,857.65 = 35,783.40/x
  3. Step 3: Cross multiply
    105,905.10x = 158,857.65 × 35,783.40
  4. Step 4: Simplify right side
    105,905.10x = 5,684,466,833.01
  5. Step 5: Solve for x
    x = 5,684,466,833.01/105,905.10
  6. Step 6: Final answer
    x = 53,675.10

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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.