Home / 459,531.63-689,297.04-144,013.14

Finding the Fourth Proportional to 459,531.63, 689,297.04 and 144,013.14

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Solution

The fourth proportional to 459,531.63, 689,297.04 and 144,013.14 is: 216,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,531.63 : 689,297.04 = 144,013.14 : x
  2. Step 2: Convert to fraction form
    459,531.63/689,297.04 = 144,013.14/x
  3. Step 3: Cross multiply
    459,531.63x = 689,297.04 × 144,013.14
  4. Step 4: Simplify right side
    459,531.63x = 99,267,831,123.11
  5. Step 5: Solve for x
    x = 99,267,831,123.11/459,531.63
  6. Step 6: Final answer
    x = 216,019.58

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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.