Home / 144,869.12-217,215.84-56,047.76

Finding the Fourth Proportional to 144,869.12, 217,215.84 and 56,047.76

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Solution

The fourth proportional to 144,869.12, 217,215.84 and 56,047.76 is: 84,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.12 : 217,215.84 = 56,047.76 : x
  2. Step 2: Convert to fraction form
    144,869.12/217,215.84 = 56,047.76/x
  3. Step 3: Cross multiply
    144,869.12x = 217,215.84 × 56,047.76
  4. Step 4: Simplify right side
    144,869.12x = 12,174,461,268.52
  5. Step 5: Solve for x
    x = 12,174,461,268.52/144,869.12
  6. Step 6: Final answer
    x = 84,037.66

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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.