Home / 124,130.43-186,084.90-103,241.84

Finding the Fourth Proportional to 124,130.43, 186,084.90 and 103,241.84

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Solution

The fourth proportional to 124,130.43, 186,084.90 and 103,241.84 is: 154,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.43 : 186,084.90 = 103,241.84 : x
  2. Step 2: Convert to fraction form
    124,130.43/186,084.90 = 103,241.84/x
  3. Step 3: Cross multiply
    124,130.43x = 186,084.90 × 103,241.84
  4. Step 4: Simplify right side
    124,130.43x = 19,211,746,541.79
  5. Step 5: Solve for x
    x = 19,211,746,541.79/124,130.43
  6. Step 6: Final answer
    x = 154,770.64

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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.