Home / 465,084.18-697,498.65-128,045.70

Finding the Fourth Proportional to 465,084.18, 697,498.65 and 128,045.70

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Solution

The fourth proportional to 465,084.18, 697,498.65 and 128,045.70 is: 192,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,084.18 : 697,498.65 = 128,045.70 : x
  2. Step 2: Convert to fraction form
    465,084.18/697,498.65 = 128,045.70/x
  3. Step 3: Cross multiply
    465,084.18x = 697,498.65 × 128,045.70
  4. Step 4: Simplify right side
    465,084.18x = 89,311,702,888.31
  5. Step 5: Solve for x
    x = 89,311,702,888.31/465,084.18
  6. Step 6: Final answer
    x = 192,033.41

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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.