Home / 343,636.08-474,217.32-190,699.16

Finding the Fourth Proportional to 343,636.08, 474,217.32 and 190,699.16

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Solution

The fourth proportional to 343,636.08, 474,217.32 and 190,699.16 is: 263,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,636.08 : 474,217.32 = 190,699.16 : x
  2. Step 2: Convert to fraction form
    343,636.08/474,217.32 = 190,699.16/x
  3. Step 3: Cross multiply
    343,636.08x = 474,217.32 × 190,699.16
  4. Step 4: Simplify right side
    343,636.08x = 90,432,844,581.45
  5. Step 5: Solve for x
    x = 90,432,844,581.45/343,636.08
  6. Step 6: Final answer
    x = 263,164.58

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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.