Home / 180,203.43-248,670.69-99,626.25

Finding the Fourth Proportional to 180,203.43, 248,670.69 and 99,626.25

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Solution

The fourth proportional to 180,203.43, 248,670.69 and 99,626.25 is: 137,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,203.43 : 248,670.69 = 99,626.25 : x
  2. Step 2: Convert to fraction form
    180,203.43/248,670.69 = 99,626.25/x
  3. Step 3: Cross multiply
    180,203.43x = 248,670.69 × 99,626.25
  4. Step 4: Simplify right side
    180,203.43x = 24,774,128,329.61
  5. Step 5: Solve for x
    x = 24,774,128,329.61/180,203.43
  6. Step 6: Final answer
    x = 137,478.67

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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.