Home / 170,381.67-235,128.30-93,903.57

Finding the Fourth Proportional to 170,381.67, 235,128.30 and 93,903.57

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Solution

The fourth proportional to 170,381.67, 235,128.30 and 93,903.57 is: 129,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,381.67 : 235,128.30 = 93,903.57 : x
  2. Step 2: Convert to fraction form
    170,381.67/235,128.30 = 93,903.57/x
  3. Step 3: Cross multiply
    170,381.67x = 235,128.30 × 93,903.57
  4. Step 4: Simplify right side
    170,381.67x = 22,079,386,778.03
  5. Step 5: Solve for x
    x = 22,079,386,778.03/170,381.67
  6. Step 6: Final answer
    x = 129,587.81

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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.