Home / 190,555.25-262,971.06-107,762.60

Finding the Fourth Proportional to 190,555.25, 262,971.06 and 107,762.60

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Solution

The fourth proportional to 190,555.25, 262,971.06 and 107,762.60 is: 148,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,555.25 : 262,971.06 = 107,762.60 : x
  2. Step 2: Convert to fraction form
    190,555.25/262,971.06 = 107,762.60/x
  3. Step 3: Cross multiply
    190,555.25x = 262,971.06 × 107,762.60
  4. Step 4: Simplify right side
    190,555.25x = 28,338,445,403.67
  5. Step 5: Solve for x
    x = 28,338,445,403.67/190,555.25
  6. Step 6: Final answer
    x = 148,715.12

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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.