Home / 257,932.08-384,803.64-243,981.36

Finding the Fourth Proportional to 257,932.08, 384,803.64 and 243,981.36

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Solution

The fourth proportional to 257,932.08, 384,803.64 and 243,981.36 is: 363,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,932.08 : 384,803.64 = 243,981.36 : x
  2. Step 2: Convert to fraction form
    257,932.08/384,803.64 = 243,981.36/x
  3. Step 3: Cross multiply
    257,932.08x = 384,803.64 × 243,981.36
  4. Step 4: Simplify right side
    257,932.08x = 93,884,915,420.15
  5. Step 5: Solve for x
    x = 93,884,915,420.15/257,932.08
  6. Step 6: Final answer
    x = 363,990.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.