Home / 212,609.41-318,810.18-92,767.63

Finding the Fourth Proportional to 212,609.41, 318,810.18 and 92,767.63

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Solution

The fourth proportional to 212,609.41, 318,810.18 and 92,767.63 is: 139,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,609.41 : 318,810.18 = 92,767.63 : x
  2. Step 2: Convert to fraction form
    212,609.41/318,810.18 = 92,767.63/x
  3. Step 3: Cross multiply
    212,609.41x = 318,810.18 × 92,767.63
  4. Step 4: Simplify right side
    212,609.41x = 29,575,264,445.28
  5. Step 5: Solve for x
    x = 29,575,264,445.28/212,609.41
  6. Step 6: Final answer
    x = 139,106.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.