Home / 170,817.39-235,756.85-99,238.93

Finding the Fourth Proportional to 170,817.39, 235,756.85 and 99,238.93

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Solution

The fourth proportional to 170,817.39, 235,756.85 and 99,238.93 is: 136,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,817.39 : 235,756.85 = 99,238.93 : x
  2. Step 2: Convert to fraction form
    170,817.39/235,756.85 = 99,238.93/x
  3. Step 3: Cross multiply
    170,817.39x = 235,756.85 × 99,238.93
  4. Step 4: Simplify right side
    170,817.39x = 23,396,257,534.17
  5. Step 5: Solve for x
    x = 23,396,257,534.17/170,817.39
  6. Step 6: Final answer
    x = 136,966.49

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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.