Home / 316,488.08-436,804.41-180,566.37

Finding the Fourth Proportional to 316,488.08, 436,804.41 and 180,566.37

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Solution

The fourth proportional to 316,488.08, 436,804.41 and 180,566.37 is: 249,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,488.08 : 436,804.41 = 180,566.37 : x
  2. Step 2: Convert to fraction form
    316,488.08/436,804.41 = 180,566.37/x
  3. Step 3: Cross multiply
    316,488.08x = 436,804.41 × 180,566.37
  4. Step 4: Simplify right side
    316,488.08x = 78,872,186,713.69
  5. Step 5: Solve for x
    x = 78,872,186,713.69/316,488.08
  6. Step 6: Final answer
    x = 249,210.61

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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.