Home / 135,176.04-186,480.93-87,444.77

Finding the Fourth Proportional to 135,176.04, 186,480.93 and 87,444.77

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Solution

The fourth proportional to 135,176.04, 186,480.93 and 87,444.77 is: 120,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,176.04 : 186,480.93 = 87,444.77 : x
  2. Step 2: Convert to fraction form
    135,176.04/186,480.93 = 87,444.77/x
  3. Step 3: Cross multiply
    135,176.04x = 186,480.93 × 87,444.77
  4. Step 4: Simplify right side
    135,176.04x = 16,306,781,428.75
  5. Step 5: Solve for x
    x = 16,306,781,428.75/135,176.04
  6. Step 6: Final answer
    x = 120,633.67

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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.