Home / 134,946.61-186,225.11-74,515.95

Finding the Fourth Proportional to 134,946.61, 186,225.11 and 74,515.95

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Solution

The fourth proportional to 134,946.61, 186,225.11 and 74,515.95 is: 102,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,946.61 : 186,225.11 = 74,515.95 : x
  2. Step 2: Convert to fraction form
    134,946.61/186,225.11 = 74,515.95/x
  3. Step 3: Cross multiply
    134,946.61x = 186,225.11 × 74,515.95
  4. Step 4: Simplify right side
    134,946.61x = 13,876,740,985.50
  5. Step 5: Solve for x
    x = 13,876,740,985.50/134,946.61
  6. Step 6: Final answer
    x = 102,831.34

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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.