Home / 208,899.45-288,284.75-113,406.16

Finding the Fourth Proportional to 208,899.45, 288,284.75 and 113,406.16

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Solution

The fourth proportional to 208,899.45, 288,284.75 and 113,406.16 is: 156,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,899.45 : 288,284.75 = 113,406.16 : x
  2. Step 2: Convert to fraction form
    208,899.45/288,284.75 = 113,406.16/x
  3. Step 3: Cross multiply
    208,899.45x = 288,284.75 × 113,406.16
  4. Step 4: Simplify right side
    208,899.45x = 32,693,266,484.06
  5. Step 5: Solve for x
    x = 32,693,266,484.06/208,899.45
  6. Step 6: Final answer
    x = 156,502.41

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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.