Home / 102,449.44-141,298.32-70,611.04

Finding the Fourth Proportional to 102,449.44, 141,298.32 and 70,611.04

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Solution

The fourth proportional to 102,449.44, 141,298.32 and 70,611.04 is: 97,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,449.44 : 141,298.32 = 70,611.04 : x
  2. Step 2: Convert to fraction form
    102,449.44/141,298.32 = 70,611.04/x
  3. Step 3: Cross multiply
    102,449.44x = 141,298.32 × 70,611.04
  4. Step 4: Simplify right side
    102,449.44x = 9,977,221,325.45
  5. Step 5: Solve for x
    x = 9,977,221,325.45/102,449.44
  6. Step 6: Final answer
    x = 97,386.78

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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.