Home / 459,892.10-689,867.33-144,361.46

Finding the Fourth Proportional to 459,892.10, 689,867.33 and 144,361.46

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Solution

The fourth proportional to 459,892.10, 689,867.33 and 144,361.46 is: 216,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,892.10 : 689,867.33 = 144,361.46 : x
  2. Step 2: Convert to fraction form
    459,892.10/689,867.33 = 144,361.46/x
  3. Step 3: Cross multiply
    459,892.10x = 689,867.33 × 144,361.46
  4. Step 4: Simplify right side
    459,892.10x = 99,590,254,965.10
  5. Step 5: Solve for x
    x = 99,590,254,965.10/459,892.10
  6. Step 6: Final answer
    x = 216,551.35

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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.