Home / 190,513.11-262,905.93-109,938.91

Finding the Fourth Proportional to 190,513.11, 262,905.93 and 109,938.91

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Solution

The fourth proportional to 190,513.11, 262,905.93 and 109,938.91 is: 151,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,513.11 : 262,905.93 = 109,938.91 : x
  2. Step 2: Convert to fraction form
    190,513.11/262,905.93 = 109,938.91/x
  3. Step 3: Cross multiply
    190,513.11x = 262,905.93 × 109,938.91
  4. Step 4: Simplify right side
    190,513.11x = 28,903,590,533.51
  5. Step 5: Solve for x
    x = 28,903,590,533.51/190,513.11
  6. Step 6: Final answer
    x = 151,714.44

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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.