Home / 347,032.32-478,901.26-194,068.78

Finding the Fourth Proportional to 347,032.32, 478,901.26 and 194,068.78

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Solution

The fourth proportional to 347,032.32, 478,901.26 and 194,068.78 is: 267,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,032.32 : 478,901.26 = 194,068.78 : x
  2. Step 2: Convert to fraction form
    347,032.32/478,901.26 = 194,068.78/x
  3. Step 3: Cross multiply
    347,032.32x = 478,901.26 × 194,068.78
  4. Step 4: Simplify right side
    347,032.32x = 92,939,782,314.00
  5. Step 5: Solve for x
    x = 92,939,782,314.00/347,032.32
  6. Step 6: Final answer
    x = 267,813.05

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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.