Home / 347,143.93-479,036.07-194,155.63

Finding the Fourth Proportional to 347,143.93, 479,036.07 and 194,155.63

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Solution

The fourth proportional to 347,143.93, 479,036.07 and 194,155.63 is: 267,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,143.93 : 479,036.07 = 194,155.63 : x
  2. Step 2: Convert to fraction form
    347,143.93/479,036.07 = 194,155.63/x
  3. Step 3: Cross multiply
    347,143.93x = 479,036.07 × 194,155.63
  4. Step 4: Simplify right side
    347,143.93x = 93,007,549,963.57
  5. Step 5: Solve for x
    x = 93,007,549,963.57/347,143.93
  6. Step 6: Final answer
    x = 267,922.16

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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.