Home / 459,756.32-689,412.36-160,229.84

Finding the Fourth Proportional to 459,756.32, 689,412.36 and 160,229.84

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Solution

The fourth proportional to 459,756.32, 689,412.36 and 160,229.84 is: 240,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,756.32 : 689,412.36 = 160,229.84 : x
  2. Step 2: Convert to fraction form
    459,756.32/689,412.36 = 160,229.84/x
  3. Step 3: Cross multiply
    459,756.32x = 689,412.36 × 160,229.84
  4. Step 4: Simplify right side
    459,756.32x = 110,464,432,136.82
  5. Step 5: Solve for x
    x = 110,464,432,136.82/459,756.32
  6. Step 6: Final answer
    x = 240,267.35

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1.5x scale

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.