Home / 162,032.20-243,048.30-122,666.20

Finding the Fourth Proportional to 162,032.20, 243,048.30 and 122,666.20

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Solution

The fourth proportional to 162,032.20, 243,048.30 and 122,666.20 is: 183,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,032.20 : 243,048.30 = 122,666.20 : x
  2. Step 2: Convert to fraction form
    162,032.20/243,048.30 = 122,666.20/x
  3. Step 3: Cross multiply
    162,032.20x = 243,048.30 × 122,666.20
  4. Step 4: Simplify right side
    162,032.20x = 29,813,811,377.46
  5. Step 5: Solve for x
    x = 29,813,811,377.46/162,032.20
  6. Step 6: Final answer
    x = 183,999.30

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1.5x scale

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.