Home / 163,056.36-225,014.27-91,434.81

Finding the Fourth Proportional to 163,056.36, 225,014.27 and 91,434.81

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Solution

The fourth proportional to 163,056.36, 225,014.27 and 91,434.81 is: 126,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,056.36 : 225,014.27 = 91,434.81 : x
  2. Step 2: Convert to fraction form
    163,056.36/225,014.27 = 91,434.81/x
  3. Step 3: Cross multiply
    163,056.36x = 225,014.27 × 91,434.81
  4. Step 4: Simplify right side
    163,056.36x = 20,574,136,567.56
  5. Step 5: Solve for x
    x = 20,574,136,567.56/163,056.36
  6. Step 6: Final answer
    x = 126,178.07

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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.