Home / 147,210.45-220,848.26-53,715.93

Finding the Fourth Proportional to 147,210.45, 220,848.26 and 53,715.93

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Solution

The fourth proportional to 147,210.45, 220,848.26 and 53,715.93 is: 80,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,210.45 : 220,848.26 = 53,715.93 : x
  2. Step 2: Convert to fraction form
    147,210.45/220,848.26 = 53,715.93/x
  3. Step 3: Cross multiply
    147,210.45x = 220,848.26 × 53,715.93
  4. Step 4: Simplify right side
    147,210.45x = 11,863,069,674.78
  5. Step 5: Solve for x
    x = 11,863,069,674.78/147,210.45
  6. Step 6: Final answer
    x = 80,585.79

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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.