Home / 459,711.48-689,396.58-160,115.16

Finding the Fourth Proportional to 459,711.48, 689,396.58 and 160,115.16

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Solution

The fourth proportional to 459,711.48, 689,396.58 and 160,115.16 is: 240,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,711.48 : 689,396.58 = 160,115.16 : x
  2. Step 2: Convert to fraction form
    459,711.48/689,396.58 = 160,115.16/x
  3. Step 3: Cross multiply
    459,711.48x = 689,396.58 × 160,115.16
  4. Step 4: Simplify right side
    459,711.48x = 110,382,843,710.15
  5. Step 5: Solve for x
    x = 110,382,843,710.15/459,711.48
  6. Step 6: Final answer
    x = 240,113.31

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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.