Home / 240,657.40-332,002.92-145,111.02

Finding the Fourth Proportional to 240,657.40, 332,002.92 and 145,111.02

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Solution

The fourth proportional to 240,657.40, 332,002.92 and 145,111.02 is: 200,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,657.40 : 332,002.92 = 145,111.02 : x
  2. Step 2: Convert to fraction form
    240,657.40/332,002.92 = 145,111.02/x
  3. Step 3: Cross multiply
    240,657.40x = 332,002.92 × 145,111.02
  4. Step 4: Simplify right side
    240,657.40x = 48,177,282,364.18
  5. Step 5: Solve for x
    x = 48,177,282,364.18/240,657.40
  6. Step 6: Final answer
    x = 200,190.32

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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.