Home / 316,250.07-436,435.44-180,281.55

Finding the Fourth Proportional to 316,250.07, 436,435.44 and 180,281.55

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Solution

The fourth proportional to 316,250.07, 436,435.44 and 180,281.55 is: 248,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,250.07 : 436,435.44 = 180,281.55 : x
  2. Step 2: Convert to fraction form
    316,250.07/436,435.44 = 180,281.55/x
  3. Step 3: Cross multiply
    316,250.07x = 436,435.44 × 180,281.55
  4. Step 4: Simplify right side
    316,250.07x = 78,681,257,117.84
  5. Step 5: Solve for x
    x = 78,681,257,117.84/316,250.07
  6. Step 6: Final answer
    x = 248,794.43

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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.