Home / 151,000.16-208,381.62-83,017.60

Finding the Fourth Proportional to 151,000.16, 208,381.62 and 83,017.60

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Solution

The fourth proportional to 151,000.16, 208,381.62 and 83,017.60 is: 114,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,000.16 : 208,381.62 = 83,017.60 : x
  2. Step 2: Convert to fraction form
    151,000.16/208,381.62 = 83,017.60/x
  3. Step 3: Cross multiply
    151,000.16x = 208,381.62 × 83,017.60
  4. Step 4: Simplify right side
    151,000.16x = 17,299,341,976.51
  5. Step 5: Solve for x
    x = 17,299,341,976.51/151,000.16
  6. Step 6: Final answer
    x = 114,565.06

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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.