Home / 191,529.72-264,308.54-105,487.07

Finding the Fourth Proportional to 191,529.72, 264,308.54 and 105,487.07

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Solution

The fourth proportional to 191,529.72, 264,308.54 and 105,487.07 is: 145,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529.72 : 264,308.54 = 105,487.07 : x
  2. Step 2: Convert to fraction form
    191,529.72/264,308.54 = 105,487.07/x
  3. Step 3: Cross multiply
    191,529.72x = 264,308.54 × 105,487.07
  4. Step 4: Simplify right side
    191,529.72x = 27,881,131,611.60
  5. Step 5: Solve for x
    x = 27,881,131,611.60/191,529.72
  6. Step 6: Final answer
    x = 145,570.78

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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.