Home / 151,283.18-208,776.48-83,303.12

Finding the Fourth Proportional to 151,283.18, 208,776.48 and 83,303.12

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Solution

The fourth proportional to 151,283.18, 208,776.48 and 83,303.12 is: 114,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,283.18 : 208,776.48 = 83,303.12 : x
  2. Step 2: Convert to fraction form
    151,283.18/208,776.48 = 83,303.12/x
  3. Step 3: Cross multiply
    151,283.18x = 208,776.48 × 83,303.12
  4. Step 4: Simplify right side
    151,283.18x = 17,391,732,166.62
  5. Step 5: Solve for x
    x = 17,391,732,166.62/151,283.18
  6. Step 6: Final answer
    x = 114,961.44

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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.