Home / 144,290.74-216,457.64-44,442.57

Finding the Fourth Proportional to 144,290.74, 216,457.64 and 44,442.57

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Solution

The fourth proportional to 144,290.74, 216,457.64 and 44,442.57 is: 66,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,290.74 : 216,457.64 = 44,442.57 : x
  2. Step 2: Convert to fraction form
    144,290.74/216,457.64 = 44,442.57/x
  3. Step 3: Cross multiply
    144,290.74x = 216,457.64 × 44,442.57
  4. Step 4: Simplify right side
    144,290.74x = 9,619,934,698.89
  5. Step 5: Solve for x
    x = 9,619,934,698.89/144,290.74
  6. Step 6: Final answer
    x = 66,670.49

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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.