Home / 207,817.08-286,781.80-117,172.24

Finding the Fourth Proportional to 207,817.08, 286,781.80 and 117,172.24

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Solution

The fourth proportional to 207,817.08, 286,781.80 and 117,172.24 is: 161,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,817.08 : 286,781.80 = 117,172.24 : x
  2. Step 2: Convert to fraction form
    207,817.08/286,781.80 = 117,172.24/x
  3. Step 3: Cross multiply
    207,817.08x = 286,781.80 × 117,172.24
  4. Step 4: Simplify right side
    207,817.08x = 33,602,865,897.23
  5. Step 5: Solve for x
    x = 33,602,865,897.23/207,817.08
  6. Step 6: Final answer
    x = 161,694.44

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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.