Home / 209,030.25-313,543.63-124,228.81

Finding the Fourth Proportional to 209,030.25, 313,543.63 and 124,228.81

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Solution

The fourth proportional to 209,030.25, 313,543.63 and 124,228.81 is: 186,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,030.25 : 313,543.63 = 124,228.81 : x
  2. Step 2: Convert to fraction form
    209,030.25/313,543.63 = 124,228.81/x
  3. Step 3: Cross multiply
    209,030.25x = 313,543.63 × 124,228.81
  4. Step 4: Simplify right side
    209,030.25x = 38,951,152,037.98
  5. Step 5: Solve for x
    x = 38,951,152,037.98/209,030.25
  6. Step 6: Final answer
    x = 186,342.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.