Home / 163,828.59-245,831.18-69,124.41

Finding the Fourth Proportional to 163,828.59, 245,831.18 and 69,124.41

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Solution

The fourth proportional to 163,828.59, 245,831.18 and 69,124.41 is: 103,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,828.59 : 245,831.18 = 69,124.41 : x
  2. Step 2: Convert to fraction form
    163,828.59/245,831.18 = 69,124.41/x
  3. Step 3: Cross multiply
    163,828.59x = 245,831.18 × 69,124.41
  4. Step 4: Simplify right side
    163,828.59x = 16,992,934,931.48
  5. Step 5: Solve for x
    x = 16,992,934,931.48/163,828.59
  6. Step 6: Final answer
    x = 103,723.87

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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.