Home / 145,981.42-201,508.98-113,651.98

Finding the Fourth Proportional to 145,981.42, 201,508.98 and 113,651.98

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Solution

The fourth proportional to 145,981.42, 201,508.98 and 113,651.98 is: 156,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,981.42 : 201,508.98 = 113,651.98 : x
  2. Step 2: Convert to fraction form
    145,981.42/201,508.98 = 113,651.98/x
  3. Step 3: Cross multiply
    145,981.42x = 201,508.98 × 113,651.98
  4. Step 4: Simplify right side
    145,981.42x = 22,901,894,564.78
  5. Step 5: Solve for x
    x = 22,901,894,564.78/145,981.42
  6. Step 6: Final answer
    x = 156,882.26

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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.