Home / 163,185.63-245,153.67-115,915.65

Finding the Fourth Proportional to 163,185.63, 245,153.67 and 115,915.65

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Solution

The fourth proportional to 163,185.63, 245,153.67 and 115,915.65 is: 174,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,185.63 : 245,153.67 = 115,915.65 : x
  2. Step 2: Convert to fraction form
    163,185.63/245,153.67 = 115,915.65/x
  3. Step 3: Cross multiply
    163,185.63x = 245,153.67 × 115,915.65
  4. Step 4: Simplify right side
    163,185.63x = 28,417,147,007.94
  5. Step 5: Solve for x
    x = 28,417,147,007.94/163,185.63
  6. Step 6: Final answer
    x = 174,140.01

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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.