Home / 191,780.37-264,660.39-106,888.32

Finding the Fourth Proportional to 191,780.37, 264,660.39 and 106,888.32

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Solution

The fourth proportional to 191,780.37, 264,660.39 and 106,888.32 is: 147,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780.37 : 264,660.39 = 106,888.32 : x
  2. Step 2: Convert to fraction form
    191,780.37/264,660.39 = 106,888.32/x
  3. Step 3: Cross multiply
    191,780.37x = 264,660.39 × 106,888.32
  4. Step 4: Simplify right side
    191,780.37x = 28,289,104,457.64
  5. Step 5: Solve for x
    x = 28,289,104,457.64/191,780.37
  6. Step 6: Final answer
    x = 147,507.82

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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.