Home / 207,623.30-286,520.16-112,130.02

Finding the Fourth Proportional to 207,623.30, 286,520.16 and 112,130.02

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Solution

The fourth proportional to 207,623.30, 286,520.16 and 112,130.02 is: 154,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,623.30 : 286,520.16 = 112,130.02 : x
  2. Step 2: Convert to fraction form
    207,623.30/286,520.16 = 112,130.02/x
  3. Step 3: Cross multiply
    207,623.30x = 286,520.16 × 112,130.02
  4. Step 4: Simplify right side
    207,623.30x = 32,127,511,271.20
  5. Step 5: Solve for x
    x = 32,127,511,271.20/207,623.30
  6. Step 6: Final answer
    x = 154,739.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.