Home / 107,219.80-160,829.70-89,853.40

Finding the Fourth Proportional to 107,219.80, 160,829.70 and 89,853.40

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Solution

The fourth proportional to 107,219.80, 160,829.70 and 89,853.40 is: 134,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,219.80 : 160,829.70 = 89,853.40 : x
  2. Step 2: Convert to fraction form
    107,219.80/160,829.70 = 89,853.40/x
  3. Step 3: Cross multiply
    107,219.80x = 160,829.70 × 89,853.40
  4. Step 4: Simplify right side
    107,219.80x = 14,451,095,365.98
  5. Step 5: Solve for x
    x = 14,451,095,365.98/107,219.80
  6. Step 6: Final answer
    x = 134,780.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.