Home / 163,925.43-245,803.55-75,102.81

Finding the Fourth Proportional to 163,925.43, 245,803.55 and 75,102.81

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Solution

The fourth proportional to 163,925.43, 245,803.55 and 75,102.81 is: 112,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,925.43 : 245,803.55 = 75,102.81 : x
  2. Step 2: Convert to fraction form
    163,925.43/245,803.55 = 75,102.81/x
  3. Step 3: Cross multiply
    163,925.43x = 245,803.55 × 75,102.81
  4. Step 4: Simplify right side
    163,925.43x = 18,460,536,937.46
  5. Step 5: Solve for x
    x = 18,460,536,937.46/163,925.43
  6. Step 6: Final answer
    x = 112,615.46

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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.