Home / 121,373.47-167,567.14-107,907.46

Finding the Fourth Proportional to 121,373.47, 167,567.14 and 107,907.46

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Solution

The fourth proportional to 121,373.47, 167,567.14 and 107,907.46 is: 148,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,373.47 : 167,567.14 = 107,907.46 : x
  2. Step 2: Convert to fraction form
    121,373.47/167,567.14 = 107,907.46/x
  3. Step 3: Cross multiply
    121,373.47x = 167,567.14 × 107,907.46
  4. Step 4: Simplify right side
    121,373.47x = 18,081,744,172.83
  5. Step 5: Solve for x
    x = 18,081,744,172.83/121,373.47
  6. Step 6: Final answer
    x = 148,976.08

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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.