Home / 221,139.64-304,984.92-186,852.34

Finding the Fourth Proportional to 221,139.64, 304,984.92 and 186,852.34

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Solution

The fourth proportional to 221,139.64, 304,984.92 and 186,852.34 is: 257,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,139.64 : 304,984.92 = 186,852.34 : x
  2. Step 2: Convert to fraction form
    221,139.64/304,984.92 = 186,852.34/x
  3. Step 3: Cross multiply
    221,139.64x = 304,984.92 × 186,852.34
  4. Step 4: Simplify right side
    221,139.64x = 56,987,145,966.71
  5. Step 5: Solve for x
    x = 56,987,145,966.71/221,139.64
  6. Step 6: Final answer
    x = 257,697.56

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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.