Home / 162,035.80-242,975.94-83,109.40

Finding the Fourth Proportional to 162,035.80, 242,975.94 and 83,109.40

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Solution

The fourth proportional to 162,035.80, 242,975.94 and 83,109.40 is: 124,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,035.80 : 242,975.94 = 83,109.40 : x
  2. Step 2: Convert to fraction form
    162,035.80/242,975.94 = 83,109.40/x
  3. Step 3: Cross multiply
    162,035.80x = 242,975.94 × 83,109.40
  4. Step 4: Simplify right side
    162,035.80x = 20,193,584,587.84
  5. Step 5: Solve for x
    x = 20,193,584,587.84/162,035.80
  6. Step 6: Final answer
    x = 124,624.22

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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.