Home / 207,191.09-286,055.14-141,889.23

Finding the Fourth Proportional to 207,191.09, 286,055.14 and 141,889.23

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Solution

The fourth proportional to 207,191.09, 286,055.14 and 141,889.23 is: 195,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,191.09 : 286,055.14 = 141,889.23 : x
  2. Step 2: Convert to fraction form
    207,191.09/286,055.14 = 141,889.23/x
  3. Step 3: Cross multiply
    207,191.09x = 286,055.14 × 141,889.23
  4. Step 4: Simplify right side
    207,191.09x = 40,588,143,552.14
  5. Step 5: Solve for x
    x = 40,588,143,552.14/207,191.09
  6. Step 6: Final answer
    x = 195,897.15

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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.