Home / 119,045.10-178,567.65-92,769.51

Finding the Fourth Proportional to 119,045.10, 178,567.65 and 92,769.51

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Solution

The fourth proportional to 119,045.10, 178,567.65 and 92,769.51 is: 139,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,045.10 : 178,567.65 = 92,769.51 : x
  2. Step 2: Convert to fraction form
    119,045.10/178,567.65 = 92,769.51/x
  3. Step 3: Cross multiply
    119,045.10x = 178,567.65 × 92,769.51
  4. Step 4: Simplify right side
    119,045.10x = 16,565,633,392.35
  5. Step 5: Solve for x
    x = 16,565,633,392.35/119,045.10
  6. Step 6: Final answer
    x = 139,154.27

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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.