Home / 130,465.13-180,041.88-73,876.50

Finding the Fourth Proportional to 130,465.13, 180,041.88 and 73,876.50

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Solution

The fourth proportional to 130,465.13, 180,041.88 and 73,876.50 is: 101,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.13 : 180,041.88 = 73,876.50 : x
  2. Step 2: Convert to fraction form
    130,465.13/180,041.88 = 73,876.50/x
  3. Step 3: Cross multiply
    130,465.13x = 180,041.88 × 73,876.50
  4. Step 4: Simplify right side
    130,465.13x = 13,300,863,947.82
  5. Step 5: Solve for x
    x = 13,300,863,947.82/130,465.13
  6. Step 6: Final answer
    x = 101,949.57

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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.