Home / 122,084.10-182,841.84-118,720.80

Finding the Fourth Proportional to 122,084.10, 182,841.84 and 118,720.80

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Solution

The fourth proportional to 122,084.10, 182,841.84 and 118,720.80 is: 177,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084.10 : 182,841.84 = 118,720.80 : x
  2. Step 2: Convert to fraction form
    122,084.10/182,841.84 = 118,720.80/x
  3. Step 3: Cross multiply
    122,084.10x = 182,841.84 × 118,720.80
  4. Step 4: Simplify right side
    122,084.10x = 21,707,129,518.27
  5. Step 5: Solve for x
    x = 21,707,129,518.27/122,084.10
  6. Step 6: Final answer
    x = 177,804.72

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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.