Home / 314,559.09-434,134.36-185,534.06

Finding the Fourth Proportional to 314,559.09, 434,134.36 and 185,534.06

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Solution

The fourth proportional to 314,559.09, 434,134.36 and 185,534.06 is: 256,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,559.09 : 434,134.36 = 185,534.06 : x
  2. Step 2: Convert to fraction form
    314,559.09/434,134.36 = 185,534.06/x
  3. Step 3: Cross multiply
    314,559.09x = 434,134.36 × 185,534.06
  4. Step 4: Simplify right side
    314,559.09x = 80,546,708,847.13
  5. Step 5: Solve for x
    x = 80,546,708,847.13/314,559.09
  6. Step 6: Final answer
    x = 256,062.25

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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.