Home / 200,740.32-277,021.64-111,316.32

Finding the Fourth Proportional to 200,740.32, 277,021.64 and 111,316.32

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Solution

The fourth proportional to 200,740.32, 277,021.64 and 111,316.32 is: 153,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,740.32 : 277,021.64 = 111,316.32 : x
  2. Step 2: Convert to fraction form
    200,740.32/277,021.64 = 111,316.32/x
  3. Step 3: Cross multiply
    200,740.32x = 277,021.64 × 111,316.32
  4. Step 4: Simplify right side
    200,740.32x = 30,837,028,968.58
  5. Step 5: Solve for x
    x = 30,837,028,968.58/200,740.32
  6. Step 6: Final answer
    x = 153,616.52

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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.