Home / 279,401.26-385,573.65-152,077.75

Finding the Fourth Proportional to 279,401.26, 385,573.65 and 152,077.75

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Solution

The fourth proportional to 279,401.26, 385,573.65 and 152,077.75 is: 209,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,401.26 : 385,573.65 = 152,077.75 : x
  2. Step 2: Convert to fraction form
    279,401.26/385,573.65 = 152,077.75/x
  3. Step 3: Cross multiply
    279,401.26x = 385,573.65 × 152,077.75
  4. Step 4: Simplify right side
    279,401.26x = 58,637,173,151.29
  5. Step 5: Solve for x
    x = 58,637,173,151.29/279,401.26
  6. Step 6: Final answer
    x = 209,867.25

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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.