Home / 163,611.20-245,330.40-58,433.60

Finding the Fourth Proportional to 163,611.20, 245,330.40 and 58,433.60

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Solution

The fourth proportional to 163,611.20, 245,330.40 and 58,433.60 is: 87,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,611.20 : 245,330.40 = 58,433.60 : x
  2. Step 2: Convert to fraction form
    163,611.20/245,330.40 = 58,433.60/x
  3. Step 3: Cross multiply
    163,611.20x = 245,330.40 × 58,433.60
  4. Step 4: Simplify right side
    163,611.20x = 14,335,538,461.44
  5. Step 5: Solve for x
    x = 14,335,538,461.44/163,611.20
  6. Step 6: Final answer
    x = 87,619.54

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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.