Home / 314,787.09-434,393.53-171,544.05

Finding the Fourth Proportional to 314,787.09, 434,393.53 and 171,544.05

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Solution

The fourth proportional to 314,787.09, 434,393.53 and 171,544.05 is: 236,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,787.09 : 434,393.53 = 171,544.05 : x
  2. Step 2: Convert to fraction form
    314,787.09/434,393.53 = 171,544.05/x
  3. Step 3: Cross multiply
    314,787.09x = 434,393.53 × 171,544.05
  4. Step 4: Simplify right side
    314,787.09x = 74,517,625,430.00
  5. Step 5: Solve for x
    x = 74,517,625,430.00/314,787.09
  6. Step 6: Final answer
    x = 236,723.89

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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.