Home / 121,373.07-167,416.67-80,536.32

Finding the Fourth Proportional to 121,373.07, 167,416.67 and 80,536.32

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Solution

The fourth proportional to 121,373.07, 167,416.67 and 80,536.32 is: 111,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,373.07 : 167,416.67 = 80,536.32 : x
  2. Step 2: Convert to fraction form
    121,373.07/167,416.67 = 80,536.32/x
  3. Step 3: Cross multiply
    121,373.07x = 167,416.67 × 80,536.32
  4. Step 4: Simplify right side
    121,373.07x = 13,483,121,671.37
  5. Step 5: Solve for x
    x = 13,483,121,671.37/121,373.07
  6. Step 6: Final answer
    x = 111,088.25

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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.