Home / 210,194.10-290,065.47-114,702.42

Finding the Fourth Proportional to 210,194.10, 290,065.47 and 114,702.42

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Solution

The fourth proportional to 210,194.10, 290,065.47 and 114,702.42 is: 158,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,194.10 : 290,065.47 = 114,702.42 : x
  2. Step 2: Convert to fraction form
    210,194.10/290,065.47 = 114,702.42/x
  3. Step 3: Cross multiply
    210,194.10x = 290,065.47 × 114,702.42
  4. Step 4: Simplify right side
    210,194.10x = 33,271,211,367.44
  5. Step 5: Solve for x
    x = 33,271,211,367.44/210,194.10
  6. Step 6: Final answer
    x = 158,288.04

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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.