Home / 213,036.45-293,990.08-117,543.14

Finding the Fourth Proportional to 213,036.45, 293,990.08 and 117,543.14

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Solution

The fourth proportional to 213,036.45, 293,990.08 and 117,543.14 is: 162,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,036.45 : 293,990.08 = 117,543.14 : x
  2. Step 2: Convert to fraction form
    213,036.45/293,990.08 = 117,543.14/x
  3. Step 3: Cross multiply
    213,036.45x = 293,990.08 × 117,543.14
  4. Step 4: Simplify right side
    213,036.45x = 34,556,515,074.39
  5. Step 5: Solve for x
    x = 34,556,515,074.39/213,036.45
  6. Step 6: Final answer
    x = 162,209.40

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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.