Home / 121,106.88-167,147.52-70,796.16

Finding the Fourth Proportional to 121,106.88, 167,147.52 and 70,796.16

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Solution

The fourth proportional to 121,106.88, 167,147.52 and 70,796.16 is: 97,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,106.88 : 167,147.52 = 70,796.16 : x
  2. Step 2: Convert to fraction form
    121,106.88/167,147.52 = 70,796.16/x
  3. Step 3: Cross multiply
    121,106.88x = 167,147.52 × 70,796.16
  4. Step 4: Simplify right side
    121,106.88x = 11,833,402,569.52
  5. Step 5: Solve for x
    x = 11,833,402,569.52/121,106.88
  6. Step 6: Final answer
    x = 97,710.41

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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.