Home / 191,934.20-264,868.32-105,890.84

Finding the Fourth Proportional to 191,934.20, 264,868.32 and 105,890.84

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Solution

The fourth proportional to 191,934.20, 264,868.32 and 105,890.84 is: 146,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,934.20 : 264,868.32 = 105,890.84 : x
  2. Step 2: Convert to fraction form
    191,934.20/264,868.32 = 105,890.84/x
  3. Step 3: Cross multiply
    191,934.20x = 264,868.32 × 105,890.84
  4. Step 4: Simplify right side
    191,934.20x = 28,047,128,894.19
  5. Step 5: Solve for x
    x = 28,047,128,894.19/191,934.20
  6. Step 6: Final answer
    x = 146,128.88

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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.