Home / 151,116.65-208,532.73-83,122.64

Finding the Fourth Proportional to 151,116.65, 208,532.73 and 83,122.64

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Solution

The fourth proportional to 151,116.65, 208,532.73 and 83,122.64 is: 114,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,116.65 : 208,532.73 = 83,122.64 : x
  2. Step 2: Convert to fraction form
    151,116.65/208,532.73 = 83,122.64/x
  3. Step 3: Cross multiply
    151,116.65x = 208,532.73 × 83,122.64
  4. Step 4: Simplify right side
    151,116.65x = 17,333,791,773.15
  5. Step 5: Solve for x
    x = 17,333,791,773.15/151,116.65
  6. Step 6: Final answer
    x = 114,704.72

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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.