Home / 191,563.32-264,338.46-106,688.28

Finding the Fourth Proportional to 191,563.32, 264,338.46 and 106,688.28

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Solution

The fourth proportional to 191,563.32, 264,338.46 and 106,688.28 is: 147,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,563.32 : 264,338.46 = 106,688.28 : x
  2. Step 2: Convert to fraction form
    191,563.32/264,338.46 = 106,688.28/x
  3. Step 3: Cross multiply
    191,563.32x = 264,338.46 × 106,688.28
  4. Step 4: Simplify right side
    191,563.32x = 28,201,815,635.25
  5. Step 5: Solve for x
    x = 28,201,815,635.25/191,563.32
  6. Step 6: Final answer
    x = 147,219.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.