Home / 121,274.10-167,312.25-73,510.02

Finding the Fourth Proportional to 121,274.10, 167,312.25 and 73,510.02

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Solution

The fourth proportional to 121,274.10, 167,312.25 and 73,510.02 is: 101,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274.10 : 167,312.25 = 73,510.02 : x
  2. Step 2: Convert to fraction form
    121,274.10/167,312.25 = 73,510.02/x
  3. Step 3: Cross multiply
    121,274.10x = 167,312.25 × 73,510.02
  4. Step 4: Simplify right side
    121,274.10x = 12,299,126,843.75
  5. Step 5: Solve for x
    x = 12,299,126,843.75/121,274.10
  6. Step 6: Final answer
    x = 101,415.94

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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.