Home / 191,491.02-264,247.11-105,433.20

Finding the Fourth Proportional to 191,491.02, 264,247.11 and 105,433.20

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Solution

The fourth proportional to 191,491.02, 264,247.11 and 105,433.20 is: 145,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,491.02 : 264,247.11 = 105,433.20 : x
  2. Step 2: Convert to fraction form
    191,491.02/264,247.11 = 105,433.20/x
  3. Step 3: Cross multiply
    191,491.02x = 264,247.11 × 105,433.20
  4. Step 4: Simplify right side
    191,491.02x = 27,860,418,398.05
  5. Step 5: Solve for x
    x = 27,860,418,398.05/191,491.02
  6. Step 6: Final answer
    x = 145,492.04

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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.