Home / 459,533.20-689,300.16-144,014.64

Finding the Fourth Proportional to 459,533.20, 689,300.16 and 144,014.64

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Solution

The fourth proportional to 459,533.20, 689,300.16 and 144,014.64 is: 216,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,533.20 : 689,300.16 = 144,014.64 : x
  2. Step 2: Convert to fraction form
    459,533.20/689,300.16 = 144,014.64/x
  3. Step 3: Cross multiply
    459,533.20x = 689,300.16 × 144,014.64
  4. Step 4: Simplify right side
    459,533.20x = 99,269,314,394.34
  5. Step 5: Solve for x
    x = 99,269,314,394.34/459,533.20
  6. Step 6: Final answer
    x = 216,022.07

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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.