Home / 170,832.16-235,734.80-99,200.40

Finding the Fourth Proportional to 170,832.16, 235,734.80 and 99,200.40

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Solution

The fourth proportional to 170,832.16, 235,734.80 and 99,200.40 is: 136,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,832.16 : 235,734.80 = 99,200.40 : x
  2. Step 2: Convert to fraction form
    170,832.16/235,734.80 = 99,200.40/x
  3. Step 3: Cross multiply
    170,832.16x = 235,734.80 × 99,200.40
  4. Step 4: Simplify right side
    170,832.16x = 23,384,986,453.92
  5. Step 5: Solve for x
    x = 23,384,986,453.92/170,832.16
  6. Step 6: Final answer
    x = 136,888.67

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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.