Home / 453,087.90-679,730.67-137,569.50

Finding the Fourth Proportional to 453,087.90, 679,730.67 and 137,569.50

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Solution

The fourth proportional to 453,087.90, 679,730.67 and 137,569.50 is: 206,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,087.90 : 679,730.67 = 137,569.50 : x
  2. Step 2: Convert to fraction form
    453,087.90/679,730.67 = 137,569.50/x
  3. Step 3: Cross multiply
    453,087.90x = 679,730.67 × 137,569.50
  4. Step 4: Simplify right side
    453,087.90x = 93,510,208,406.57
  5. Step 5: Solve for x
    x = 93,510,208,406.57/453,087.90
  6. Step 6: Final answer
    x = 206,384.25

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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.