Home / 149,058.56-205,628.54-88,586.40

Finding the Fourth Proportional to 149,058.56, 205,628.54 and 88,586.40

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Solution

The fourth proportional to 149,058.56, 205,628.54 and 88,586.40 is: 122,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,058.56 : 205,628.54 = 88,586.40 : x
  2. Step 2: Convert to fraction form
    149,058.56/205,628.54 = 88,586.40/x
  3. Step 3: Cross multiply
    149,058.56x = 205,628.54 × 88,586.40
  4. Step 4: Simplify right side
    149,058.56x = 18,215,892,095.86
  5. Step 5: Solve for x
    x = 18,215,892,095.86/149,058.56
  6. Step 6: Final answer
    x = 122,206.28

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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.