Home / 207,619.54-286,514.93-112,126.21

Finding the Fourth Proportional to 207,619.54, 286,514.93 and 112,126.21

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Solution

The fourth proportional to 207,619.54, 286,514.93 and 112,126.21 is: 154,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,619.54 : 286,514.93 = 112,126.21 : x
  2. Step 2: Convert to fraction form
    207,619.54/286,514.93 = 112,126.21/x
  3. Step 3: Cross multiply
    207,619.54x = 286,514.93 × 112,126.21
  4. Step 4: Simplify right side
    207,619.54x = 32,125,833,209.32
  5. Step 5: Solve for x
    x = 32,125,833,209.32/207,619.54
  6. Step 6: Final answer
    x = 154,734.15

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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.