Home / 124,267.80-186,235.38-45,307.56

Finding the Fourth Proportional to 124,267.80, 186,235.38 and 45,307.56

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Solution

The fourth proportional to 124,267.80, 186,235.38 and 45,307.56 is: 67,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.80 : 186,235.38 = 45,307.56 : x
  2. Step 2: Convert to fraction form
    124,267.80/186,235.38 = 45,307.56/x
  3. Step 3: Cross multiply
    124,267.80x = 186,235.38 × 45,307.56
  4. Step 4: Simplify right side
    124,267.80x = 8,437,870,653.47
  5. Step 5: Solve for x
    x = 8,437,870,653.47/124,267.80
  6. Step 6: Final answer
    x = 67,900.70

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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.