Home / 208,845.63-288,207.27-113,352.30

Finding the Fourth Proportional to 208,845.63, 288,207.27 and 113,352.30

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Solution

The fourth proportional to 208,845.63, 288,207.27 and 113,352.30 is: 156,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.63 : 288,207.27 = 113,352.30 : x
  2. Step 2: Convert to fraction form
    208,845.63/288,207.27 = 113,352.30/x
  3. Step 3: Cross multiply
    208,845.63x = 288,207.27 × 113,352.30
  4. Step 4: Simplify right side
    208,845.63x = 32,668,956,931.22
  5. Step 5: Solve for x
    x = 32,668,956,931.22/208,845.63
  6. Step 6: Final answer
    x = 156,426.34

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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.