Home / 145,852.28-218,633.04-61,633.60

Finding the Fourth Proportional to 145,852.28, 218,633.04 and 61,633.60

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Solution

The fourth proportional to 145,852.28, 218,633.04 and 61,633.60 is: 92,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,852.28 : 218,633.04 = 61,633.60 : x
  2. Step 2: Convert to fraction form
    145,852.28/218,633.04 = 61,633.60/x
  3. Step 3: Cross multiply
    145,852.28x = 218,633.04 × 61,633.60
  4. Step 4: Simplify right side
    145,852.28x = 13,475,141,334.14
  5. Step 5: Solve for x
    x = 13,475,141,334.14/145,852.28
  6. Step 6: Final answer
    x = 92,388.97

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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.