Home / 147,416.80-203,435.25-83,754.70

Finding the Fourth Proportional to 147,416.80, 203,435.25 and 83,754.70

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Solution

The fourth proportional to 147,416.80, 203,435.25 and 83,754.70 is: 115,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,416.80 : 203,435.25 = 83,754.70 : x
  2. Step 2: Convert to fraction form
    147,416.80/203,435.25 = 83,754.70/x
  3. Step 3: Cross multiply
    147,416.80x = 203,435.25 × 83,754.70
  4. Step 4: Simplify right side
    147,416.80x = 17,038,658,333.18
  5. Step 5: Solve for x
    x = 17,038,658,333.18/147,416.80
  6. Step 6: Final answer
    x = 115,581.52

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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.