Home / 191,555.85-264,353.09-105,521.07

Finding the Fourth Proportional to 191,555.85, 264,353.09 and 105,521.07

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Solution

The fourth proportional to 191,555.85, 264,353.09 and 105,521.07 is: 145,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,555.85 : 264,353.09 = 105,521.07 : x
  2. Step 2: Convert to fraction form
    191,555.85/264,353.09 = 105,521.07/x
  3. Step 3: Cross multiply
    191,555.85x = 264,353.09 × 105,521.07
  4. Step 4: Simplify right side
    191,555.85x = 27,894,820,387.00
  5. Step 5: Solve for x
    x = 27,894,820,387.00/191,555.85
  6. Step 6: Final answer
    x = 145,622.39

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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.