Home / 191,543.12-264,347.88-106,660.16

Finding the Fourth Proportional to 191,543.12, 264,347.88 and 106,660.16

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Solution

The fourth proportional to 191,543.12, 264,347.88 and 106,660.16 is: 147,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,543.12 : 264,347.88 = 106,660.16 : x
  2. Step 2: Convert to fraction form
    191,543.12/264,347.88 = 106,660.16/x
  3. Step 3: Cross multiply
    191,543.12x = 264,347.88 × 106,660.16
  4. Step 4: Simplify right side
    191,543.12x = 28,195,387,176.46
  5. Step 5: Solve for x
    x = 28,195,387,176.46/191,543.12
  6. Step 6: Final answer
    x = 147,201.25

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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.