Home / 191,106.90-263,730.68-105,069.52

Finding the Fourth Proportional to 191,106.90, 263,730.68 and 105,069.52

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Solution

The fourth proportional to 191,106.90, 263,730.68 and 105,069.52 is: 144,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,106.90 : 263,730.68 = 105,069.52 : x
  2. Step 2: Convert to fraction form
    191,106.90/263,730.68 = 105,069.52/x
  3. Step 3: Cross multiply
    191,106.90x = 263,730.68 × 105,069.52
  4. Step 4: Simplify right side
    191,106.90x = 27,710,055,956.87
  5. Step 5: Solve for x
    x = 27,710,055,956.87/191,106.90
  6. Step 6: Final answer
    x = 144,997.67

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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.