Home / 121,612.77-167,454.08-110,208.04

Finding the Fourth Proportional to 121,612.77, 167,454.08 and 110,208.04

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Solution

The fourth proportional to 121,612.77, 167,454.08 and 110,208.04 is: 151,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,612.77 : 167,454.08 = 110,208.04 : x
  2. Step 2: Convert to fraction form
    121,612.77/167,454.08 = 110,208.04/x
  3. Step 3: Cross multiply
    121,612.77x = 167,454.08 × 110,208.04
  4. Step 4: Simplify right side
    121,612.77x = 18,454,785,946.80
  5. Step 5: Solve for x
    x = 18,454,785,946.80/121,612.77
  6. Step 6: Final answer
    x = 151,750.40

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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.