Home / 112,178.64-168,391.08-56,002.98

Finding the Fourth Proportional to 112,178.64, 168,391.08 and 56,002.98

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Solution

The fourth proportional to 112,178.64, 168,391.08 and 56,002.98 is: 84,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.64 : 168,391.08 = 56,002.98 : x
  2. Step 2: Convert to fraction form
    112,178.64/168,391.08 = 56,002.98/x
  3. Step 3: Cross multiply
    112,178.64x = 168,391.08 × 56,002.98
  4. Step 4: Simplify right side
    112,178.64x = 9,430,402,285.42
  5. Step 5: Solve for x
    x = 9,430,402,285.42/112,178.64
  6. Step 6: Final answer
    x = 84,065.94

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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.