Home / 452,815.23-679,345.35-153,295.85

Finding the Fourth Proportional to 452,815.23, 679,345.35 and 153,295.85

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Solution

The fourth proportional to 452,815.23, 679,345.35 and 153,295.85 is: 229,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,815.23 : 679,345.35 = 153,295.85 : x
  2. Step 2: Convert to fraction form
    452,815.23/679,345.35 = 153,295.85/x
  3. Step 3: Cross multiply
    452,815.23x = 679,345.35 × 153,295.85
  4. Step 4: Simplify right side
    452,815.23x = 104,140,819,475.07
  5. Step 5: Solve for x
    x = 104,140,819,475.07/452,815.23
  6. Step 6: Final answer
    x = 229,985.24

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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.