Home / 157,646.09-217,556.23-86,030.73

Finding the Fourth Proportional to 157,646.09, 217,556.23 and 86,030.73

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Solution

The fourth proportional to 157,646.09, 217,556.23 and 86,030.73 is: 118,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,646.09 : 217,556.23 = 86,030.73 : x
  2. Step 2: Convert to fraction form
    157,646.09/217,556.23 = 86,030.73/x
  3. Step 3: Cross multiply
    157,646.09x = 217,556.23 × 86,030.73
  4. Step 4: Simplify right side
    157,646.09x = 18,716,521,282.95
  5. Step 5: Solve for x
    x = 18,716,521,282.95/157,646.09
  6. Step 6: Final answer
    x = 118,724.93

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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.