Home / 459,969.12-689,188.16-160,284.52

Finding the Fourth Proportional to 459,969.12, 689,188.16 and 160,284.52

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Solution

The fourth proportional to 459,969.12, 689,188.16 and 160,284.52 is: 240,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,969.12 : 689,188.16 = 160,284.52 : x
  2. Step 2: Convert to fraction form
    459,969.12/689,188.16 = 160,284.52/x
  3. Step 3: Cross multiply
    459,969.12x = 689,188.16 × 160,284.52
  4. Step 4: Simplify right side
    459,969.12x = 110,466,193,415.28
  5. Step 5: Solve for x
    x = 110,466,193,415.28/459,969.12
  6. Step 6: Final answer
    x = 240,160.02

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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.