Home / 113,938.94-157,170.03-68,585.42

Finding the Fourth Proportional to 113,938.94, 157,170.03 and 68,585.42

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Solution

The fourth proportional to 113,938.94, 157,170.03 and 68,585.42 is: 94,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,938.94 : 157,170.03 = 68,585.42 : x
  2. Step 2: Convert to fraction form
    113,938.94/157,170.03 = 68,585.42/x
  3. Step 3: Cross multiply
    113,938.94x = 157,170.03 × 68,585.42
  4. Step 4: Simplify right side
    113,938.94x = 10,779,572,518.96
  5. Step 5: Solve for x
    x = 10,779,572,518.96/113,938.94
  6. Step 6: Final answer
    x = 94,608.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.