Home / 147,943.02-204,157.29-83,411.70

Finding the Fourth Proportional to 147,943.02, 204,157.29 and 83,411.70

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Solution

The fourth proportional to 147,943.02, 204,157.29 and 83,411.70 is: 115,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.02 : 204,157.29 = 83,411.70 : x
  2. Step 2: Convert to fraction form
    147,943.02/204,157.29 = 83,411.70/x
  3. Step 3: Cross multiply
    147,943.02x = 204,157.29 × 83,411.70
  4. Step 4: Simplify right side
    147,943.02x = 17,029,106,626.29
  5. Step 5: Solve for x
    x = 17,029,106,626.29/147,943.02
  6. Step 6: Final answer
    x = 115,105.85

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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.