Home / 316,023.22-436,103.67-186,968.35

Finding the Fourth Proportional to 316,023.22, 436,103.67 and 186,968.35

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Solution

The fourth proportional to 316,023.22, 436,103.67 and 186,968.35 is: 258,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,023.22 : 436,103.67 = 186,968.35 : x
  2. Step 2: Convert to fraction form
    316,023.22/436,103.67 = 186,968.35/x
  3. Step 3: Cross multiply
    316,023.22x = 436,103.67 × 186,968.35
  4. Step 4: Simplify right side
    316,023.22x = 81,537,583,608.84
  5. Step 5: Solve for x
    x = 81,537,583,608.84/316,023.22
  6. Step 6: Final answer
    x = 258,011.37

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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.