Home / 208,925.39-288,317.03-113,432.10

Finding the Fourth Proportional to 208,925.39, 288,317.03 and 113,432.10

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Solution

The fourth proportional to 208,925.39, 288,317.03 and 113,432.10 is: 156,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,925.39 : 288,317.03 = 113,432.10 : x
  2. Step 2: Convert to fraction form
    208,925.39/288,317.03 = 113,432.10/x
  3. Step 3: Cross multiply
    208,925.39x = 288,317.03 × 113,432.10
  4. Step 4: Simplify right side
    208,925.39x = 32,704,406,462.24
  5. Step 5: Solve for x
    x = 32,704,406,462.24/208,925.39
  6. Step 6: Final answer
    x = 156,536.29

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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.