Home / 122,077.40-183,116.10-101,082.20

Finding the Fourth Proportional to 122,077.40, 183,116.10 and 101,082.20

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Solution

The fourth proportional to 122,077.40, 183,116.10 and 101,082.20 is: 151,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,077.40 : 183,116.10 = 101,082.20 : x
  2. Step 2: Convert to fraction form
    122,077.40/183,116.10 = 101,082.20/x
  3. Step 3: Cross multiply
    122,077.40x = 183,116.10 × 101,082.20
  4. Step 4: Simplify right side
    122,077.40x = 18,509,778,243.42
  5. Step 5: Solve for x
    x = 18,509,778,243.42/122,077.40
  6. Step 6: Final answer
    x = 151,623.30

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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.