Home / 103,262.18-154,875.38-28,364.48

Finding the Fourth Proportional to 103,262.18, 154,875.38 and 28,364.48

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Solution

The fourth proportional to 103,262.18, 154,875.38 and 28,364.48 is: 42,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,262.18 : 154,875.38 = 28,364.48 : x
  2. Step 2: Convert to fraction form
    103,262.18/154,875.38 = 28,364.48/x
  3. Step 3: Cross multiply
    103,262.18x = 154,875.38 × 28,364.48
  4. Step 4: Simplify right side
    103,262.18x = 4,392,959,283.09
  5. Step 5: Solve for x
    x = 4,392,959,283.09/103,262.18
  6. Step 6: Final answer
    x = 42,541.80

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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.