Home / 459,629.51-689,444.46-144,111.02

Finding the Fourth Proportional to 459,629.51, 689,444.46 and 144,111.02

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Solution

The fourth proportional to 459,629.51, 689,444.46 and 144,111.02 is: 216,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,629.51 : 689,444.46 = 144,111.02 : x
  2. Step 2: Convert to fraction form
    459,629.51/689,444.46 = 144,111.02/x
  3. Step 3: Cross multiply
    459,629.51x = 689,444.46 × 144,111.02
  4. Step 4: Simplify right side
    459,629.51x = 99,356,540,916.73
  5. Step 5: Solve for x
    x = 99,356,540,916.73/459,629.51
  6. Step 6: Final answer
    x = 216,166.59

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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.