Home / 192,421.16-265,549.41-107,538.22

Finding the Fourth Proportional to 192,421.16, 265,549.41 and 107,538.22

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Solution

The fourth proportional to 192,421.16, 265,549.41 and 107,538.22 is: 148,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,421.16 : 265,549.41 = 107,538.22 : x
  2. Step 2: Convert to fraction form
    192,421.16/265,549.41 = 107,538.22/x
  3. Step 3: Cross multiply
    192,421.16x = 265,549.41 × 107,538.22
  4. Step 4: Simplify right side
    192,421.16x = 28,556,710,873.45
  5. Step 5: Solve for x
    x = 28,556,710,873.45/192,421.16
  6. Step 6: Final answer
    x = 148,407.33

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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.