Home / 191,205.06-263,852.14-106,320.30

Finding the Fourth Proportional to 191,205.06, 263,852.14 and 106,320.30

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Solution

The fourth proportional to 191,205.06, 263,852.14 and 106,320.30 is: 146,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,205.06 : 263,852.14 = 106,320.30 : x
  2. Step 2: Convert to fraction form
    191,205.06/263,852.14 = 106,320.30/x
  3. Step 3: Cross multiply
    191,205.06x = 263,852.14 × 106,320.30
  4. Step 4: Simplify right side
    191,205.06x = 28,052,838,680.44
  5. Step 5: Solve for x
    x = 28,052,838,680.44/191,205.06
  6. Step 6: Final answer
    x = 146,715.98

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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.