Home / 124,401.84-186,602.28-103,581.36

Finding the Fourth Proportional to 124,401.84, 186,602.28 and 103,581.36

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Solution

The fourth proportional to 124,401.84, 186,602.28 and 103,581.36 is: 155,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401.84 : 186,602.28 = 103,581.36 : x
  2. Step 2: Convert to fraction form
    124,401.84/186,602.28 = 103,581.36/x
  3. Step 3: Cross multiply
    124,401.84x = 186,602.28 × 103,581.36
  4. Step 4: Simplify right side
    124,401.84x = 19,328,517,941.50
  5. Step 5: Solve for x
    x = 19,328,517,941.50/124,401.84
  6. Step 6: Final answer
    x = 155,371.64

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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.