Home / 360,581.69-497,543.28-199,405.25

Finding the Fourth Proportional to 360,581.69, 497,543.28 and 199,405.25

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Solution

The fourth proportional to 360,581.69, 497,543.28 and 199,405.25 is: 275,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,581.69 : 497,543.28 = 199,405.25 : x
  2. Step 2: Convert to fraction form
    360,581.69/497,543.28 = 199,405.25/x
  3. Step 3: Cross multiply
    360,581.69x = 497,543.28 × 199,405.25
  4. Step 4: Simplify right side
    360,581.69x = 99,212,742,134.22
  5. Step 5: Solve for x
    x = 99,212,742,134.22/360,581.69
  6. Step 6: Final answer
    x = 275,146.37

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1.5x scale

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.