Home / 212,670.10-293,494.71-126,609.67

Finding the Fourth Proportional to 212,670.10, 293,494.71 and 126,609.67

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Solution

The fourth proportional to 212,670.10, 293,494.71 and 126,609.67 is: 174,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,670.10 : 293,494.71 = 126,609.67 : x
  2. Step 2: Convert to fraction form
    212,670.10/293,494.71 = 126,609.67/x
  3. Step 3: Cross multiply
    212,670.10x = 293,494.71 × 126,609.67
  4. Step 4: Simplify right side
    212,670.10x = 37,159,268,379.85
  5. Step 5: Solve for x
    x = 37,159,268,379.85/212,670.10
  6. Step 6: Final answer
    x = 174,727.28

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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.