Home / 147,285.04-203,254.71-83,624.20

Finding the Fourth Proportional to 147,285.04, 203,254.71 and 83,624.20

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Solution

The fourth proportional to 147,285.04, 203,254.71 and 83,624.20 is: 115,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,285.04 : 203,254.71 = 83,624.20 : x
  2. Step 2: Convert to fraction form
    147,285.04/203,254.71 = 83,624.20/x
  3. Step 3: Cross multiply
    147,285.04x = 203,254.71 × 83,624.20
  4. Step 4: Simplify right side
    147,285.04x = 16,997,012,519.98
  5. Step 5: Solve for x
    x = 16,997,012,519.98/147,285.04
  6. Step 6: Final answer
    x = 115,402.17

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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.