Home / 149,051.34-205,621.74-88,588.08

Finding the Fourth Proportional to 149,051.34, 205,621.74 and 88,588.08

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Solution

The fourth proportional to 149,051.34, 205,621.74 and 88,588.08 is: 122,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,051.34 : 205,621.74 = 88,588.08 : x
  2. Step 2: Convert to fraction form
    149,051.34/205,621.74 = 88,588.08/x
  3. Step 3: Cross multiply
    149,051.34x = 205,621.74 × 88,588.08
  4. Step 4: Simplify right side
    149,051.34x = 18,215,635,152.86
  5. Step 5: Solve for x
    x = 18,215,635,152.86/149,051.34
  6. Step 6: Final answer
    x = 122,210.48

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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.