Home / 343,521.60-474,062.66-190,569.81

Finding the Fourth Proportional to 343,521.60, 474,062.66 and 190,569.81

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Solution

The fourth proportional to 343,521.60, 474,062.66 and 190,569.81 is: 262,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,521.60 : 474,062.66 = 190,569.81 : x
  2. Step 2: Convert to fraction form
    343,521.60/474,062.66 = 190,569.81/x
  3. Step 3: Cross multiply
    343,521.60x = 474,062.66 × 190,569.81
  4. Step 4: Simplify right side
    343,521.60x = 90,342,030,091.45
  5. Step 5: Solve for x
    x = 90,342,030,091.45/343,521.60
  6. Step 6: Final answer
    x = 262,987.92

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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.