Home / 313,924.10-470,875.60-136,431.13

Finding the Fourth Proportional to 313,924.10, 470,875.60 and 136,431.13

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Solution

The fourth proportional to 313,924.10, 470,875.60 and 136,431.13 is: 204,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,924.10 : 470,875.60 = 136,431.13 : x
  2. Step 2: Convert to fraction form
    313,924.10/470,875.60 = 136,431.13/x
  3. Step 3: Cross multiply
    313,924.10x = 470,875.60 × 136,431.13
  4. Step 4: Simplify right side
    313,924.10x = 64,242,090,197.43
  5. Step 5: Solve for x
    x = 64,242,090,197.43/313,924.10
  6. Step 6: Final answer
    x = 204,642.11

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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.