Home / 151,923.84-209,651.40-83,937.30

Finding the Fourth Proportional to 151,923.84, 209,651.40 and 83,937.30

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Solution

The fourth proportional to 151,923.84, 209,651.40 and 83,937.30 is: 115,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,923.84 : 209,651.40 = 83,937.30 : x
  2. Step 2: Convert to fraction form
    151,923.84/209,651.40 = 83,937.30/x
  3. Step 3: Cross multiply
    151,923.84x = 209,651.40 × 83,937.30
  4. Step 4: Simplify right side
    151,923.84x = 17,597,572,457.22
  5. Step 5: Solve for x
    x = 17,597,572,457.22/151,923.84
  6. Step 6: Final answer
    x = 115,831.54

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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.