Home / 121,175.69-167,197.07-70,185.32

Finding the Fourth Proportional to 121,175.69, 167,197.07 and 70,185.32

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Solution

The fourth proportional to 121,175.69, 167,197.07 and 70,185.32 is: 96,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,175.69 : 167,197.07 = 70,185.32 : x
  2. Step 2: Convert to fraction form
    121,175.69/167,197.07 = 70,185.32/x
  3. Step 3: Cross multiply
    121,175.69x = 167,197.07 × 70,185.32
  4. Step 4: Simplify right side
    121,175.69x = 11,734,779,510.09
  5. Step 5: Solve for x
    x = 11,734,779,510.09/121,175.69
  6. Step 6: Final answer
    x = 96,841.04

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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.