Home / 147,706.71-221,560.06-117,985.38

Finding the Fourth Proportional to 147,706.71, 221,560.06 and 117,985.38

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Solution

The fourth proportional to 147,706.71, 221,560.06 and 117,985.38 is: 176,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,706.71 : 221,560.06 = 117,985.38 : x
  2. Step 2: Convert to fraction form
    147,706.71/221,560.06 = 117,985.38/x
  3. Step 3: Cross multiply
    147,706.71x = 221,560.06 × 117,985.38
  4. Step 4: Simplify right side
    147,706.71x = 26,140,847,871.92
  5. Step 5: Solve for x
    x = 26,140,847,871.92/147,706.71
  6. Step 6: Final answer
    x = 176,978.07

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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.