Home / 291,216.34-401,766.87-180,783.19

Finding the Fourth Proportional to 291,216.34, 401,766.87 and 180,783.19

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Solution

The fourth proportional to 291,216.34, 401,766.87 and 180,783.19 is: 249,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,216.34 : 401,766.87 = 180,783.19 : x
  2. Step 2: Convert to fraction form
    291,216.34/401,766.87 = 180,783.19/x
  3. Step 3: Cross multiply
    291,216.34x = 401,766.87 × 180,783.19
  4. Step 4: Simplify right side
    291,216.34x = 72,632,694,386.08
  5. Step 5: Solve for x
    x = 72,632,694,386.08/291,216.34
  6. Step 6: Final answer
    x = 249,411.47

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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.