Home / 144,521.64-216,851.58-51,071.40

Finding the Fourth Proportional to 144,521.64, 216,851.58 and 51,071.40

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Solution

The fourth proportional to 144,521.64, 216,851.58 and 51,071.40 is: 76,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,521.64 : 216,851.58 = 51,071.40 : x
  2. Step 2: Convert to fraction form
    144,521.64/216,851.58 = 51,071.40/x
  3. Step 3: Cross multiply
    144,521.64x = 216,851.58 × 51,071.40
  4. Step 4: Simplify right side
    144,521.64x = 11,074,913,782.81
  5. Step 5: Solve for x
    x = 11,074,913,782.81/144,521.64
  6. Step 6: Final answer
    x = 76,631.53

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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.