Home / 190,872.60-286,341.30-57,751.80

Finding the Fourth Proportional to 190,872.60, 286,341.30 and 57,751.80

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Solution

The fourth proportional to 190,872.60, 286,341.30 and 57,751.80 is: 86,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,872.60 : 286,341.30 = 57,751.80 : x
  2. Step 2: Convert to fraction form
    190,872.60/286,341.30 = 57,751.80/x
  3. Step 3: Cross multiply
    190,872.60x = 286,341.30 × 57,751.80
  4. Step 4: Simplify right side
    190,872.60x = 16,536,725,489.34
  5. Step 5: Solve for x
    x = 16,536,725,489.34/190,872.60
  6. Step 6: Final answer
    x = 86,637.50

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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.