Home / 175,124.20-262,880.70-108,639.40

Finding the Fourth Proportional to 175,124.20, 262,880.70 and 108,639.40

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Solution

The fourth proportional to 175,124.20, 262,880.70 and 108,639.40 is: 163,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,124.20 : 262,880.70 = 108,639.40 : x
  2. Step 2: Convert to fraction form
    175,124.20/262,880.70 = 108,639.40/x
  3. Step 3: Cross multiply
    175,124.20x = 262,880.70 × 108,639.40
  4. Step 4: Simplify right side
    175,124.20x = 28,559,201,519.58
  5. Step 5: Solve for x
    x = 28,559,201,519.58/175,124.20
  6. Step 6: Final answer
    x = 163,079.70

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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.