Home / 208,928.16-288,312.84-113,432.76

Finding the Fourth Proportional to 208,928.16, 288,312.84 and 113,432.76

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Solution

The fourth proportional to 208,928.16, 288,312.84 and 113,432.76 is: 156,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,928.16 : 288,312.84 = 113,432.76 : x
  2. Step 2: Convert to fraction form
    208,928.16/288,312.84 = 113,432.76/x
  3. Step 3: Cross multiply
    208,928.16x = 288,312.84 × 113,432.76
  4. Step 4: Simplify right side
    208,928.16x = 32,704,121,184.64
  5. Step 5: Solve for x
    x = 32,704,121,184.64/208,928.16
  6. Step 6: Final answer
    x = 156,532.85

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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.