Home / 207,357.12-286,151.04-117,933.12

Finding the Fourth Proportional to 207,357.12, 286,151.04 and 117,933.12

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Solution

The fourth proportional to 207,357.12, 286,151.04 and 117,933.12 is: 162,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,357.12 : 286,151.04 = 117,933.12 : x
  2. Step 2: Convert to fraction form
    207,357.12/286,151.04 = 117,933.12/x
  3. Step 3: Cross multiply
    207,357.12x = 286,151.04 × 117,933.12
  4. Step 4: Simplify right side
    207,357.12x = 33,746,684,938.44
  5. Step 5: Solve for x
    x = 33,746,684,938.44/207,357.12
  6. Step 6: Final answer
    x = 162,746.69

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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.