Home / 132,141.60-197,884.35-105,897.60

Finding the Fourth Proportional to 132,141.60, 197,884.35 and 105,897.60

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Solution

The fourth proportional to 132,141.60, 197,884.35 and 105,897.60 is: 158,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,141.60 : 197,884.35 = 105,897.60 : x
  2. Step 2: Convert to fraction form
    132,141.60/197,884.35 = 105,897.60/x
  3. Step 3: Cross multiply
    132,141.60x = 197,884.35 × 105,897.60
  4. Step 4: Simplify right side
    132,141.60x = 20,955,477,742.56
  5. Step 5: Solve for x
    x = 20,955,477,742.56/132,141.60
  6. Step 6: Final answer
    x = 158,583.50

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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.