Home / 144,275.18-216,396.03-39,102.08

Finding the Fourth Proportional to 144,275.18, 216,396.03 and 39,102.08

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Solution

The fourth proportional to 144,275.18, 216,396.03 and 39,102.08 is: 58,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,275.18 : 216,396.03 = 39,102.08 : x
  2. Step 2: Convert to fraction form
    144,275.18/216,396.03 = 39,102.08/x
  3. Step 3: Cross multiply
    144,275.18x = 216,396.03 × 39,102.08
  4. Step 4: Simplify right side
    144,275.18x = 8,461,534,876.74
  5. Step 5: Solve for x
    x = 8,461,534,876.74/144,275.18
  6. Step 6: Final answer
    x = 58,648.58

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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.