Home / 163,931.28-245,901.76-64,087.44

Finding the Fourth Proportional to 163,931.28, 245,901.76 and 64,087.44

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Solution

The fourth proportional to 163,931.28, 245,901.76 and 64,087.44 is: 96,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,931.28 : 245,901.76 = 64,087.44 : x
  2. Step 2: Convert to fraction form
    163,931.28/245,901.76 = 64,087.44/x
  3. Step 3: Cross multiply
    163,931.28x = 245,901.76 × 64,087.44
  4. Step 4: Simplify right side
    163,931.28x = 15,759,214,289.89
  5. Step 5: Solve for x
    x = 15,759,214,289.89/163,931.28
  6. Step 6: Final answer
    x = 96,133.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.