Home / 191,778.06-286,896.21-165,762.06

Finding the Fourth Proportional to 191,778.06, 286,896.21 and 165,762.06

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Solution

The fourth proportional to 191,778.06, 286,896.21 and 165,762.06 is: 247,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,778.06 : 286,896.21 = 165,762.06 : x
  2. Step 2: Convert to fraction form
    191,778.06/286,896.21 = 165,762.06/x
  3. Step 3: Cross multiply
    191,778.06x = 286,896.21 × 165,762.06
  4. Step 4: Simplify right side
    191,778.06x = 47,556,506,775.79
  5. Step 5: Solve for x
    x = 47,556,506,775.79/191,778.06
  6. Step 6: Final answer
    x = 247,976.79

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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.