Home / 147,347.12-221,022.22-117,951.81

Finding the Fourth Proportional to 147,347.12, 221,022.22 and 117,951.81

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Solution

The fourth proportional to 147,347.12, 221,022.22 and 117,951.81 is: 176,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,347.12 : 221,022.22 = 117,951.81 : x
  2. Step 2: Convert to fraction form
    147,347.12/221,022.22 = 117,951.81/x
  3. Step 3: Cross multiply
    147,347.12x = 221,022.22 × 117,951.81
  4. Step 4: Simplify right side
    147,347.12x = 26,069,971,875.49
  5. Step 5: Solve for x
    x = 26,069,971,875.49/147,347.12
  6. Step 6: Final answer
    x = 176,928.96

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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.