Home / 207,639.18-286,548.03-116,996.22

Finding the Fourth Proportional to 207,639.18, 286,548.03 and 116,996.22

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Solution

The fourth proportional to 207,639.18, 286,548.03 and 116,996.22 is: 161,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,639.18 : 286,548.03 = 116,996.22 : x
  2. Step 2: Convert to fraction form
    207,639.18/286,548.03 = 116,996.22/x
  3. Step 3: Cross multiply
    207,639.18x = 286,548.03 × 116,996.22
  4. Step 4: Simplify right side
    207,639.18x = 33,525,036,358.45
  5. Step 5: Solve for x
    x = 33,525,036,358.45/207,639.18
  6. Step 6: Final answer
    x = 161,458.14

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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.