Home / 112,837.20-169,207.20-56,655.60

Finding the Fourth Proportional to 112,837.20, 169,207.20 and 56,655.60

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Solution

The fourth proportional to 112,837.20, 169,207.20 and 56,655.60 is: 84,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,837.20 : 169,207.20 = 56,655.60 : x
  2. Step 2: Convert to fraction form
    112,837.20/169,207.20 = 56,655.60/x
  3. Step 3: Cross multiply
    112,837.20x = 169,207.20 × 56,655.60
  4. Step 4: Simplify right side
    112,837.20x = 9,586,535,440.32
  5. Step 5: Solve for x
    x = 9,586,535,440.32/112,837.20
  6. Step 6: Final answer
    x = 84,959.00

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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.