Home / 152,812.27-210,887.04-83,904.49

Finding the Fourth Proportional to 152,812.27, 210,887.04 and 83,904.49

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Solution

The fourth proportional to 152,812.27, 210,887.04 and 83,904.49 is: 115,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,812.27 : 210,887.04 = 83,904.49 : x
  2. Step 2: Convert to fraction form
    152,812.27/210,887.04 = 83,904.49/x
  3. Step 3: Cross multiply
    152,812.27x = 210,887.04 × 83,904.49
  4. Step 4: Simplify right side
    152,812.27x = 17,694,369,538.81
  5. Step 5: Solve for x
    x = 17,694,369,538.81/152,812.27
  6. Step 6: Final answer
    x = 115,791.55

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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.