Home / 316,181.34-436,319.20-180,259.06

Finding the Fourth Proportional to 316,181.34, 436,319.20 and 180,259.06

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Solution

The fourth proportional to 316,181.34, 436,319.20 and 180,259.06 is: 248,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,181.34 : 436,319.20 = 180,259.06 : x
  2. Step 2: Convert to fraction form
    316,181.34/436,319.20 = 180,259.06/x
  3. Step 3: Cross multiply
    316,181.34x = 436,319.20 × 180,259.06
  4. Step 4: Simplify right side
    316,181.34x = 78,650,488,851.95
  5. Step 5: Solve for x
    x = 78,650,488,851.95/316,181.34
  6. Step 6: Final answer
    x = 248,751.20

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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.