Home / 144,322.16-216,391.52-126,588.42

Finding the Fourth Proportional to 144,322.16, 216,391.52 and 126,588.42

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Solution

The fourth proportional to 144,322.16, 216,391.52 and 126,588.42 is: 189,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,322.16 : 216,391.52 = 126,588.42 : x
  2. Step 2: Convert to fraction form
    144,322.16/216,391.52 = 126,588.42/x
  3. Step 3: Cross multiply
    144,322.16x = 216,391.52 × 126,588.42
  4. Step 4: Simplify right side
    144,322.16x = 27,392,660,618.20
  5. Step 5: Solve for x
    x = 27,392,660,618.20/144,322.16
  6. Step 6: Final answer
    x = 189,802.18

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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.