Home / 162,320.80-243,554.10-73,528.60

Finding the Fourth Proportional to 162,320.80, 243,554.10 and 73,528.60

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Solution

The fourth proportional to 162,320.80, 243,554.10 and 73,528.60 is: 110,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320.80 : 243,554.10 = 73,528.60 : x
  2. Step 2: Convert to fraction form
    162,320.80/243,554.10 = 73,528.60/x
  3. Step 3: Cross multiply
    162,320.80x = 243,554.10 × 73,528.60
  4. Step 4: Simplify right side
    162,320.80x = 17,908,191,997.26
  5. Step 5: Solve for x
    x = 17,908,191,997.26/162,320.80
  6. Step 6: Final answer
    x = 110,325.92

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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.