Home / 147,818.04-203,989.10-84,155.85

Finding the Fourth Proportional to 147,818.04, 203,989.10 and 84,155.85

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Solution

The fourth proportional to 147,818.04, 203,989.10 and 84,155.85 is: 116,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.04 : 203,989.10 = 84,155.85 : x
  2. Step 2: Convert to fraction form
    147,818.04/203,989.10 = 84,155.85/x
  3. Step 3: Cross multiply
    147,818.04x = 203,989.10 × 84,155.85
  4. Step 4: Simplify right side
    147,818.04x = 17,166,875,680.46
  5. Step 5: Solve for x
    x = 17,166,875,680.46/147,818.04
  6. Step 6: Final answer
    x = 116,135.19

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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.