Home / 190,904.16-263,730.70-125,646.88

Finding the Fourth Proportional to 190,904.16, 263,730.70 and 125,646.88

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Solution

The fourth proportional to 190,904.16, 263,730.70 and 125,646.88 is: 173,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.16 : 263,730.70 = 125,646.88 : x
  2. Step 2: Convert to fraction form
    190,904.16/263,730.70 = 125,646.88/x
  3. Step 3: Cross multiply
    190,904.16x = 263,730.70 × 125,646.88
  4. Step 4: Simplify right side
    190,904.16x = 33,136,939,615.22
  5. Step 5: Solve for x
    x = 33,136,939,615.22/190,904.16
  6. Step 6: Final answer
    x = 173,578.93

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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.