Home / 343,595.03-474,145.07-190,631.58

Finding the Fourth Proportional to 343,595.03, 474,145.07 and 190,631.58

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Solution

The fourth proportional to 343,595.03, 474,145.07 and 190,631.58 is: 263,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,595.03 : 474,145.07 = 190,631.58 : x
  2. Step 2: Convert to fraction form
    343,595.03/474,145.07 = 190,631.58/x
  3. Step 3: Cross multiply
    343,595.03x = 474,145.07 × 190,631.58
  4. Step 4: Simplify right side
    343,595.03x = 90,387,022,890.15
  5. Step 5: Solve for x
    x = 90,387,022,890.15/343,595.03
  6. Step 6: Final answer
    x = 263,062.66

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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.