Home / 191,607.12-264,420.38-106,724.18

Finding the Fourth Proportional to 191,607.12, 264,420.38 and 106,724.18

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Solution

The fourth proportional to 191,607.12, 264,420.38 and 106,724.18 is: 147,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,607.12 : 264,420.38 = 106,724.18 : x
  2. Step 2: Convert to fraction form
    191,607.12/264,420.38 = 106,724.18/x
  3. Step 3: Cross multiply
    191,607.12x = 264,420.38 × 106,724.18
  4. Step 4: Simplify right side
    191,607.12x = 28,220,049,158.65
  5. Step 5: Solve for x
    x = 28,220,049,158.65/191,607.12
  6. Step 6: Final answer
    x = 147,280.80

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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.