Home / 176,441.72-243,500.46-100,988.60

Finding the Fourth Proportional to 176,441.72, 243,500.46 and 100,988.60

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Solution

The fourth proportional to 176,441.72, 243,500.46 and 100,988.60 is: 139,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,441.72 : 243,500.46 = 100,988.60 : x
  2. Step 2: Convert to fraction form
    176,441.72/243,500.46 = 100,988.60/x
  3. Step 3: Cross multiply
    176,441.72x = 243,500.46 × 100,988.60
  4. Step 4: Simplify right side
    176,441.72x = 24,590,770,554.76
  5. Step 5: Solve for x
    x = 24,590,770,554.76/176,441.72
  6. Step 6: Final answer
    x = 139,370.50

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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.