Home / 331,569.65-457,566.12-180,666.65

Finding the Fourth Proportional to 331,569.65, 457,566.12 and 180,666.65

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Solution

The fourth proportional to 331,569.65, 457,566.12 and 180,666.65 is: 249,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.65 : 457,566.12 = 180,666.65 : x
  2. Step 2: Convert to fraction form
    331,569.65/457,566.12 = 180,666.65/x
  3. Step 3: Cross multiply
    331,569.65x = 457,566.12 × 180,666.65
  4. Step 4: Simplify right side
    331,569.65x = 82,666,939,197.81
  5. Step 5: Solve for x
    x = 82,666,939,197.81/331,569.65
  6. Step 6: Final answer
    x = 249,319.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.