Home / 109,502.98-151,113.45-59,201.86

Finding the Fourth Proportional to 109,502.98, 151,113.45 and 59,201.86

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Solution

The fourth proportional to 109,502.98, 151,113.45 and 59,201.86 is: 81,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,502.98 : 151,113.45 = 59,201.86 : x
  2. Step 2: Convert to fraction form
    109,502.98/151,113.45 = 59,201.86/x
  3. Step 3: Cross multiply
    109,502.98x = 151,113.45 × 59,201.86
  4. Step 4: Simplify right side
    109,502.98x = 8,946,197,311.02
  5. Step 5: Solve for x
    x = 8,946,197,311.02/109,502.98
  6. Step 6: Final answer
    x = 81,698.21

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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.