Home / 170,913.66-235,859.51-99,335.58

Finding the Fourth Proportional to 170,913.66, 235,859.51 and 99,335.58

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Solution

The fourth proportional to 170,913.66, 235,859.51 and 99,335.58 is: 137,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,913.66 : 235,859.51 = 99,335.58 : x
  2. Step 2: Convert to fraction form
    170,913.66/235,859.51 = 99,335.58/x
  3. Step 3: Cross multiply
    170,913.66x = 235,859.51 × 99,335.58
  4. Step 4: Simplify right side
    170,913.66x = 23,429,241,224.37
  5. Step 5: Solve for x
    x = 23,429,241,224.37/170,913.66
  6. Step 6: Final answer
    x = 137,082.32

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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.