Home / 281,593.08-388,596.24-152,528.76

Finding the Fourth Proportional to 281,593.08, 388,596.24 and 152,528.76

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Solution

The fourth proportional to 281,593.08, 388,596.24 and 152,528.76 is: 210,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,593.08 : 388,596.24 = 152,528.76 : x
  2. Step 2: Convert to fraction form
    281,593.08/388,596.24 = 152,528.76/x
  3. Step 3: Cross multiply
    281,593.08x = 388,596.24 × 152,528.76
  4. Step 4: Simplify right side
    281,593.08x = 59,272,102,627.86
  5. Step 5: Solve for x
    x = 59,272,102,627.86/281,593.08
  6. Step 6: Final answer
    x = 210,488.49

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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.