Home / 147,292.56-221,038.20-53,807.76

Finding the Fourth Proportional to 147,292.56, 221,038.20 and 53,807.76

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Solution

The fourth proportional to 147,292.56, 221,038.20 and 53,807.76 is: 80,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.56 : 221,038.20 = 53,807.76 : x
  2. Step 2: Convert to fraction form
    147,292.56/221,038.20 = 53,807.76/x
  3. Step 3: Cross multiply
    147,292.56x = 221,038.20 × 53,807.76
  4. Step 4: Simplify right side
    147,292.56x = 11,893,570,416.43
  5. Step 5: Solve for x
    x = 11,893,570,416.43/147,292.56
  6. Step 6: Final answer
    x = 80,747.94

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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.