Home / 190,980.29-263,436.03-113,403.35

Finding the Fourth Proportional to 190,980.29, 263,436.03 and 113,403.35

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Solution

The fourth proportional to 190,980.29, 263,436.03 and 113,403.35 is: 156,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,980.29 : 263,436.03 = 113,403.35 : x
  2. Step 2: Convert to fraction form
    190,980.29/263,436.03 = 113,403.35/x
  3. Step 3: Cross multiply
    190,980.29x = 263,436.03 × 113,403.35
  4. Step 4: Simplify right side
    190,980.29x = 29,874,528,312.70
  5. Step 5: Solve for x
    x = 29,874,528,312.70/190,980.29
  6. Step 6: Final answer
    x = 156,427.29

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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.