Home / 207,829.60-286,736.08-117,174.24

Finding the Fourth Proportional to 207,829.60, 286,736.08 and 117,174.24

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Solution

The fourth proportional to 207,829.60, 286,736.08 and 117,174.24 is: 161,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,829.60 : 286,736.08 = 117,174.24 : x
  2. Step 2: Convert to fraction form
    207,829.60/286,736.08 = 117,174.24/x
  3. Step 3: Cross multiply
    207,829.60x = 286,736.08 × 117,174.24
  4. Step 4: Simplify right side
    207,829.60x = 33,598,082,254.58
  5. Step 5: Solve for x
    x = 33,598,082,254.58/207,829.60
  6. Step 6: Final answer
    x = 161,661.68

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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.