Home / 209,627.60-314,095.80-174,376.40

Finding the Fourth Proportional to 209,627.60, 314,095.80 and 174,376.40

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Solution

The fourth proportional to 209,627.60, 314,095.80 and 174,376.40 is: 261,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,627.60 : 314,095.80 = 174,376.40 : x
  2. Step 2: Convert to fraction form
    209,627.60/314,095.80 = 174,376.40/x
  3. Step 3: Cross multiply
    209,627.60x = 314,095.80 × 174,376.40
  4. Step 4: Simplify right side
    209,627.60x = 54,770,894,859.12
  5. Step 5: Solve for x
    x = 54,770,894,859.12/209,627.60
  6. Step 6: Final answer
    x = 261,277.12

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1.5x scale

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.