Home / 191,023.11-286,518.16-64,660.65

Finding the Fourth Proportional to 191,023.11, 286,518.16 and 64,660.65

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Solution

The fourth proportional to 191,023.11, 286,518.16 and 64,660.65 is: 96,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,023.11 : 286,518.16 = 64,660.65 : x
  2. Step 2: Convert to fraction form
    191,023.11/286,518.16 = 64,660.65/x
  3. Step 3: Cross multiply
    191,023.11x = 286,518.16 × 64,660.65
  4. Step 4: Simplify right side
    191,023.11x = 18,526,449,468.79
  5. Step 5: Solve for x
    x = 18,526,449,468.79/191,023.11
  6. Step 6: Final answer
    x = 96,985.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.