Home / 151,088.55-208,506.14-83,107.28

Finding the Fourth Proportional to 151,088.55, 208,506.14 and 83,107.28

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Solution

The fourth proportional to 151,088.55, 208,506.14 and 83,107.28 is: 114,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,088.55 : 208,506.14 = 83,107.28 : x
  2. Step 2: Convert to fraction form
    151,088.55/208,506.14 = 83,107.28/x
  3. Step 3: Cross multiply
    151,088.55x = 208,506.14 × 83,107.28
  4. Step 4: Simplify right side
    151,088.55x = 17,328,377,221.90
  5. Step 5: Solve for x
    x = 17,328,377,221.90/151,088.55
  6. Step 6: Final answer
    x = 114,690.21

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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.