Home / 153,912.10-230,875.35-48,739.30

Finding the Fourth Proportional to 153,912.10, 230,875.35 and 48,739.30

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Solution

The fourth proportional to 153,912.10, 230,875.35 and 48,739.30 is: 73,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,912.10 : 230,875.35 = 48,739.30 : x
  2. Step 2: Convert to fraction form
    153,912.10/230,875.35 = 48,739.30/x
  3. Step 3: Cross multiply
    153,912.10x = 230,875.35 × 48,739.30
  4. Step 4: Simplify right side
    153,912.10x = 11,252,702,946.26
  5. Step 5: Solve for x
    x = 11,252,702,946.26/153,912.10
  6. Step 6: Final answer
    x = 73,111.23

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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.