Home / 102,178.28-153,271.26-46,007.61

Finding the Fourth Proportional to 102,178.28, 153,271.26 and 46,007.61

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Solution

The fourth proportional to 102,178.28, 153,271.26 and 46,007.61 is: 69,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,178.28 : 153,271.26 = 46,007.61 : x
  2. Step 2: Convert to fraction form
    102,178.28/153,271.26 = 46,007.61/x
  3. Step 3: Cross multiply
    102,178.28x = 153,271.26 × 46,007.61
  4. Step 4: Simplify right side
    102,178.28x = 7,051,644,354.29
  5. Step 5: Solve for x
    x = 7,051,644,354.29/102,178.28
  6. Step 6: Final answer
    x = 69,013.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.