Home / 199,780.84-275,705.95-114,897.98

Finding the Fourth Proportional to 199,780.84, 275,705.95 and 114,897.98

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Solution

The fourth proportional to 199,780.84, 275,705.95 and 114,897.98 is: 158,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,780.84 : 275,705.95 = 114,897.98 : x
  2. Step 2: Convert to fraction form
    199,780.84/275,705.95 = 114,897.98/x
  3. Step 3: Cross multiply
    199,780.84x = 275,705.95 × 114,897.98
  4. Step 4: Simplify right side
    199,780.84x = 31,678,056,728.98
  5. Step 5: Solve for x
    x = 31,678,056,728.98/199,780.84
  6. Step 6: Final answer
    x = 158,564.04

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1.5x scale

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.