Home / 130,503.27-180,091.47-76,051.95

Finding the Fourth Proportional to 130,503.27, 180,091.47 and 76,051.95

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Solution

The fourth proportional to 130,503.27, 180,091.47 and 76,051.95 is: 104,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.27 : 180,091.47 = 76,051.95 : x
  2. Step 2: Convert to fraction form
    130,503.27/180,091.47 = 76,051.95/x
  3. Step 3: Cross multiply
    130,503.27x = 180,091.47 × 76,051.95
  4. Step 4: Simplify right side
    130,503.27x = 13,696,307,471.87
  5. Step 5: Solve for x
    x = 13,696,307,471.87/130,503.27
  6. Step 6: Final answer
    x = 104,949.92

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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.