Home / 190,835.80-286,253.70-164,570.20

Finding the Fourth Proportional to 190,835.80, 286,253.70 and 164,570.20

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Solution

The fourth proportional to 190,835.80, 286,253.70 and 164,570.20 is: 246,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.80 : 286,253.70 = 164,570.20 : x
  2. Step 2: Convert to fraction form
    190,835.80/286,253.70 = 164,570.20/x
  3. Step 3: Cross multiply
    190,835.80x = 286,253.70 × 164,570.20
  4. Step 4: Simplify right side
    190,835.80x = 47,108,828,659.74
  5. Step 5: Solve for x
    x = 47,108,828,659.74/190,835.80
  6. Step 6: Final answer
    x = 246,855.30

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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.