Home / 190,924.20-286,127.10-135,455.40

Finding the Fourth Proportional to 190,924.20, 286,127.10 and 135,455.40

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Solution

The fourth proportional to 190,924.20, 286,127.10 and 135,455.40 is: 202,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,924.20 : 286,127.10 = 135,455.40 : x
  2. Step 2: Convert to fraction form
    190,924.20/286,127.10 = 135,455.40/x
  3. Step 3: Cross multiply
    190,924.20x = 286,127.10 × 135,455.40
  4. Step 4: Simplify right side
    190,924.20x = 38,757,460,781.34
  5. Step 5: Solve for x
    x = 38,757,460,781.34/190,924.20
  6. Step 6: Final answer
    x = 202,999.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.