Home / 191,463.03-264,216.76-105,420.23

Finding the Fourth Proportional to 191,463.03, 264,216.76 and 105,420.23

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Solution

The fourth proportional to 191,463.03, 264,216.76 and 105,420.23 is: 145,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,463.03 : 264,216.76 = 105,420.23 : x
  2. Step 2: Convert to fraction form
    191,463.03/264,216.76 = 105,420.23/x
  3. Step 3: Cross multiply
    191,463.03x = 264,216.76 × 105,420.23
  4. Step 4: Simplify right side
    191,463.03x = 27,853,790,024.42
  5. Step 5: Solve for x
    x = 27,853,790,024.42/191,463.03
  6. Step 6: Final answer
    x = 145,478.69

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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.