Home / 152,752.96-210,791.64-84,769.12

Finding the Fourth Proportional to 152,752.96, 210,791.64 and 84,769.12

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Solution

The fourth proportional to 152,752.96, 210,791.64 and 84,769.12 is: 116,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,752.96 : 210,791.64 = 84,769.12 : x
  2. Step 2: Convert to fraction form
    152,752.96/210,791.64 = 84,769.12/x
  3. Step 3: Cross multiply
    152,752.96x = 210,791.64 × 84,769.12
  4. Step 4: Simplify right side
    152,752.96x = 17,868,621,826.16
  5. Step 5: Solve for x
    x = 17,868,621,826.16/152,752.96
  6. Step 6: Final answer
    x = 116,977.25

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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.