Home / 163,611.15-245,403.77-58,419.15

Finding the Fourth Proportional to 163,611.15, 245,403.77 and 58,419.15

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Solution

The fourth proportional to 163,611.15, 245,403.77 and 58,419.15 is: 87,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,611.15 : 245,403.77 = 58,419.15 : x
  2. Step 2: Convert to fraction form
    163,611.15/245,403.77 = 58,419.15/x
  3. Step 3: Cross multiply
    163,611.15x = 245,403.77 × 58,419.15
  4. Step 4: Simplify right side
    163,611.15x = 14,336,279,358.10
  5. Step 5: Solve for x
    x = 14,336,279,358.10/163,611.15
  6. Step 6: Final answer
    x = 87,624.10

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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.