Home / 144,349.19-216,614-69,477.24

Finding the Fourth Proportional to 144,349.19, 216,614 and 69,477.24

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Solution

The fourth proportional to 144,349.19, 216,614 and 69,477.24 is: 104,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,349.19 : 216,614 = 69,477.24 : x
  2. Step 2: Convert to fraction form
    144,349.19/216,614 = 69,477.24/x
  3. Step 3: Cross multiply
    144,349.19x = 216,614 × 69,477.24
  4. Step 4: Simplify right side
    144,349.19x = 15,049,742,865.36
  5. Step 5: Solve for x
    x = 15,049,742,865.36/144,349.19
  6. Step 6: Final answer
    x = 104,259.28

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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.