Home / 208,924.64-288,316.00-113,431.35

Finding the Fourth Proportional to 208,924.64, 288,316.00 and 113,431.35

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Solution

The fourth proportional to 208,924.64, 288,316.00 and 113,431.35 is: 156,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,924.64 : 288,316.00 = 113,431.35 : x
  2. Step 2: Convert to fraction form
    208,924.64/288,316.00 = 113,431.35/x
  3. Step 3: Cross multiply
    208,924.64x = 288,316.00 × 113,431.35
  4. Step 4: Simplify right side
    208,924.64x = 32,704,072,167.20
  5. Step 5: Solve for x
    x = 32,704,072,167.20/208,924.64
  6. Step 6: Final answer
    x = 156,535.25

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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.