Home / 191,928.30-264,869.07-105,886.86

Finding the Fourth Proportional to 191,928.30, 264,869.07 and 105,886.86

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Solution

The fourth proportional to 191,928.30, 264,869.07 and 105,886.86 is: 146,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.30 : 264,869.07 = 105,886.86 : x
  2. Step 2: Convert to fraction form
    191,928.30/264,869.07 = 105,886.86/x
  3. Step 3: Cross multiply
    191,928.30x = 264,869.07 × 105,886.86
  4. Step 4: Simplify right side
    191,928.30x = 28,046,154,133.42
  5. Step 5: Solve for x
    x = 28,046,154,133.42/191,928.30
  6. Step 6: Final answer
    x = 146,128.29

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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.