Home / 113,880.18-157,146.84-68,549.34

Finding the Fourth Proportional to 113,880.18, 157,146.84 and 68,549.34

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Solution

The fourth proportional to 113,880.18, 157,146.84 and 68,549.34 is: 94,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,880.18 : 157,146.84 = 68,549.34 : x
  2. Step 2: Convert to fraction form
    113,880.18/157,146.84 = 68,549.34/x
  3. Step 3: Cross multiply
    113,880.18x = 157,146.84 × 68,549.34
  4. Step 4: Simplify right side
    113,880.18x = 10,772,312,165.09
  5. Step 5: Solve for x
    x = 10,772,312,165.09/113,880.18
  6. Step 6: Final answer
    x = 94,593.39

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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.