Home / 102,853.84-154,225.28-46,663.28

Finding the Fourth Proportional to 102,853.84, 154,225.28 and 46,663.28

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Solution

The fourth proportional to 102,853.84, 154,225.28 and 46,663.28 is: 69,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,853.84 : 154,225.28 = 46,663.28 : x
  2. Step 2: Convert to fraction form
    102,853.84/154,225.28 = 46,663.28/x
  3. Step 3: Cross multiply
    102,853.84x = 154,225.28 × 46,663.28
  4. Step 4: Simplify right side
    102,853.84x = 7,196,658,149.49
  5. Step 5: Solve for x
    x = 7,196,658,149.49/102,853.84
  6. Step 6: Final answer
    x = 69,969.76

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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.