Home / 207,801.12-286,751.16-117,160.32

Finding the Fourth Proportional to 207,801.12, 286,751.16 and 117,160.32

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Solution

The fourth proportional to 207,801.12, 286,751.16 and 117,160.32 is: 161,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,801.12 : 286,751.16 = 117,160.32 : x
  2. Step 2: Convert to fraction form
    207,801.12/286,751.16 = 117,160.32/x
  3. Step 3: Cross multiply
    207,801.12x = 286,751.16 × 117,160.32
  4. Step 4: Simplify right side
    207,801.12x = 33,595,857,665.97
  5. Step 5: Solve for x
    x = 33,595,857,665.97/207,801.12
  6. Step 6: Final answer
    x = 161,673.13

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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.