Home / 152,790.37-210,847.70-84,808.16

Finding the Fourth Proportional to 152,790.37, 210,847.70 and 84,808.16

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Solution

The fourth proportional to 152,790.37, 210,847.70 and 84,808.16 is: 117,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,790.37 : 210,847.70 = 84,808.16 : x
  2. Step 2: Convert to fraction form
    152,790.37/210,847.70 = 84,808.16/x
  3. Step 3: Cross multiply
    152,790.37x = 210,847.70 × 84,808.16
  4. Step 4: Simplify right side
    152,790.37x = 17,881,605,477.23
  5. Step 5: Solve for x
    x = 17,881,605,477.23/152,790.37
  6. Step 6: Final answer
    x = 117,033.59

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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.