Home / 121,624.77-167,812.23-73,875.27

Finding the Fourth Proportional to 121,624.77, 167,812.23 and 73,875.27

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Solution

The fourth proportional to 121,624.77, 167,812.23 and 73,875.27 is: 101,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.77 : 167,812.23 = 73,875.27 : x
  2. Step 2: Convert to fraction form
    121,624.77/167,812.23 = 73,875.27/x
  3. Step 3: Cross multiply
    121,624.77x = 167,812.23 × 73,875.27
  4. Step 4: Simplify right side
    121,624.77x = 12,397,173,800.55
  5. Step 5: Solve for x
    x = 12,397,173,800.55/121,624.77
  6. Step 6: Final answer
    x = 101,929.68

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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.