Home / 163,575.63-225,738.01-99,948.51

Finding the Fourth Proportional to 163,575.63, 225,738.01 and 99,948.51

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Solution

The fourth proportional to 163,575.63, 225,738.01 and 99,948.51 is: 137,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,575.63 : 225,738.01 = 99,948.51 : x
  2. Step 2: Convert to fraction form
    163,575.63/225,738.01 = 99,948.51/x
  3. Step 3: Cross multiply
    163,575.63x = 225,738.01 × 99,948.51
  4. Step 4: Simplify right side
    163,575.63x = 22,562,177,749.87
  5. Step 5: Solve for x
    x = 22,562,177,749.87/163,575.63
  6. Step 6: Final answer
    x = 137,931.17

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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.