Home / 124,515.90-186,798.15-53,438.40

Finding the Fourth Proportional to 124,515.90, 186,798.15 and 53,438.40

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Solution

The fourth proportional to 124,515.90, 186,798.15 and 53,438.40 is: 80,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.90 : 186,798.15 = 53,438.40 : x
  2. Step 2: Convert to fraction form
    124,515.90/186,798.15 = 53,438.40/x
  3. Step 3: Cross multiply
    124,515.90x = 186,798.15 × 53,438.40
  4. Step 4: Simplify right side
    124,515.90x = 9,982,194,258.96
  5. Step 5: Solve for x
    x = 9,982,194,258.96/124,515.90
  6. Step 6: Final answer
    x = 80,168.03

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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.