Home / 132,023.10-197,706.60-105,779.10

Finding the Fourth Proportional to 132,023.10, 197,706.60 and 105,779.10

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Solution

The fourth proportional to 132,023.10, 197,706.60 and 105,779.10 is: 158,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.10 : 197,706.60 = 105,779.10 : x
  2. Step 2: Convert to fraction form
    132,023.10/197,706.60 = 105,779.10/x
  3. Step 3: Cross multiply
    132,023.10x = 197,706.60 × 105,779.10
  4. Step 4: Simplify right side
    132,023.10x = 20,913,226,212.06
  5. Step 5: Solve for x
    x = 20,913,226,212.06/132,023.10
  6. Step 6: Final answer
    x = 158,405.81

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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.