Home / 190,297.95-262,732.17-118,783.05

Finding the Fourth Proportional to 190,297.95, 262,732.17 and 118,783.05

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Solution

The fourth proportional to 190,297.95, 262,732.17 and 118,783.05 is: 163,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,297.95 : 262,732.17 = 118,783.05 : x
  2. Step 2: Convert to fraction form
    190,297.95/262,732.17 = 118,783.05/x
  3. Step 3: Cross multiply
    190,297.95x = 262,732.17 × 118,783.05
  4. Step 4: Simplify right side
    190,297.95x = 31,208,128,485.72
  5. Step 5: Solve for x
    x = 31,208,128,485.72/190,297.95
  6. Step 6: Final answer
    x = 163,996.14

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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.