Home / 176,443.68-264,516.75-76,528.65

Finding the Fourth Proportional to 176,443.68, 264,516.75 and 76,528.65

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Solution

The fourth proportional to 176,443.68, 264,516.75 and 76,528.65 is: 114,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,443.68 : 264,516.75 = 76,528.65 : x
  2. Step 2: Convert to fraction form
    176,443.68/264,516.75 = 76,528.65/x
  3. Step 3: Cross multiply
    176,443.68x = 264,516.75 × 76,528.65
  4. Step 4: Simplify right side
    176,443.68x = 20,243,109,779.89
  5. Step 5: Solve for x
    x = 20,243,109,779.89/176,443.68
  6. Step 6: Final answer
    x = 114,728.45

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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.