Home / 314,034.03-470,980.26-89,389.48

Finding the Fourth Proportional to 314,034.03, 470,980.26 and 89,389.48

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Solution

The fourth proportional to 314,034.03, 470,980.26 and 89,389.48 is: 134,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,034.03 : 470,980.26 = 89,389.48 : x
  2. Step 2: Convert to fraction form
    314,034.03/470,980.26 = 89,389.48/x
  3. Step 3: Cross multiply
    314,034.03x = 470,980.26 × 89,389.48
  4. Step 4: Simplify right side
    314,034.03x = 42,100,680,531.66
  5. Step 5: Solve for x
    x = 42,100,680,531.66/314,034.03
  6. Step 6: Final answer
    x = 134,064.07

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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.