Home / 208,267.22-312,336.23-75,130.19

Finding the Fourth Proportional to 208,267.22, 312,336.23 and 75,130.19

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Solution

The fourth proportional to 208,267.22, 312,336.23 and 75,130.19 is: 112,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,267.22 : 312,336.23 = 75,130.19 : x
  2. Step 2: Convert to fraction form
    208,267.22/312,336.23 = 75,130.19/x
  3. Step 3: Cross multiply
    208,267.22x = 312,336.23 × 75,130.19
  4. Step 4: Simplify right side
    208,267.22x = 23,465,878,929.93
  5. Step 5: Solve for x
    x = 23,465,878,929.93/208,267.22
  6. Step 6: Final answer
    x = 112,671.98

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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.