Home / 124,208.74-186,316.16-45,322.94

Finding the Fourth Proportional to 124,208.74, 186,316.16 and 45,322.94

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Solution

The fourth proportional to 124,208.74, 186,316.16 and 45,322.94 is: 67,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208.74 : 186,316.16 = 45,322.94 : x
  2. Step 2: Convert to fraction form
    124,208.74/186,316.16 = 45,322.94/x
  3. Step 3: Cross multiply
    124,208.74x = 186,316.16 × 45,322.94
  4. Step 4: Simplify right side
    124,208.74x = 8,444,396,140.71
  5. Step 5: Solve for x
    x = 8,444,396,140.71/124,208.74
  6. Step 6: Final answer
    x = 67,985.52

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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.