Home / 357,539.07-493,281.69-204,521.51

Finding the Fourth Proportional to 357,539.07, 493,281.69 and 204,521.51

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Solution

The fourth proportional to 357,539.07, 493,281.69 and 204,521.51 is: 282,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,539.07 : 493,281.69 = 204,521.51 : x
  2. Step 2: Convert to fraction form
    357,539.07/493,281.69 = 204,521.51/x
  3. Step 3: Cross multiply
    357,539.07x = 493,281.69 × 204,521.51
  4. Step 4: Simplify right side
    357,539.07x = 100,886,716,094.15
  5. Step 5: Solve for x
    x = 100,886,716,094.15/357,539.07
  6. Step 6: Final answer
    x = 282,169.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.