Home / 312,184.35-430,812.81-168,943.14

Finding the Fourth Proportional to 312,184.35, 430,812.81 and 168,943.14

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Solution

The fourth proportional to 312,184.35, 430,812.81 and 168,943.14 is: 233,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,184.35 : 430,812.81 = 168,943.14 : x
  2. Step 2: Convert to fraction form
    312,184.35/430,812.81 = 168,943.14/x
  3. Step 3: Cross multiply
    312,184.35x = 430,812.81 × 168,943.14
  4. Step 4: Simplify right side
    312,184.35x = 72,782,868,873.62
  5. Step 5: Solve for x
    x = 72,782,868,873.62/312,184.35
  6. Step 6: Final answer
    x = 233,140.67

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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.