Home / 147,284.55-203,254.02-83,623.70

Finding the Fourth Proportional to 147,284.55, 203,254.02 and 83,623.70

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Solution

The fourth proportional to 147,284.55, 203,254.02 and 83,623.70 is: 115,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,284.55 : 203,254.02 = 83,623.70 : x
  2. Step 2: Convert to fraction form
    147,284.55/203,254.02 = 83,623.70/x
  3. Step 3: Cross multiply
    147,284.55x = 203,254.02 × 83,623.70
  4. Step 4: Simplify right side
    147,284.55x = 16,996,852,176.00
  5. Step 5: Solve for x
    x = 16,996,852,176.00/147,284.55
  6. Step 6: Final answer
    x = 115,401.46

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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.