Home / 191,533.49-264,313.71-105,490.83

Finding the Fourth Proportional to 191,533.49, 264,313.71 and 105,490.83

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Solution

The fourth proportional to 191,533.49, 264,313.71 and 105,490.83 is: 145,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,533.49 : 264,313.71 = 105,490.83 : x
  2. Step 2: Convert to fraction form
    191,533.49/264,313.71 = 105,490.83/x
  3. Step 3: Cross multiply
    191,533.49x = 264,313.71 × 105,490.83
  4. Step 4: Simplify right side
    191,533.49x = 27,882,672,648.28
  5. Step 5: Solve for x
    x = 27,882,672,648.28/191,533.49
  6. Step 6: Final answer
    x = 145,575.97

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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.