Home / 170,378.30-235,123.65-93,900.20

Finding the Fourth Proportional to 170,378.30, 235,123.65 and 93,900.20

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Solution

The fourth proportional to 170,378.30, 235,123.65 and 93,900.20 is: 129,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,378.30 : 235,123.65 = 93,900.20 : x
  2. Step 2: Convert to fraction form
    170,378.30/235,123.65 = 93,900.20/x
  3. Step 3: Cross multiply
    170,378.30x = 235,123.65 × 93,900.20
  4. Step 4: Simplify right side
    170,378.30x = 22,078,156,584.11
  5. Step 5: Solve for x
    x = 22,078,156,584.11/170,378.30
  6. Step 6: Final answer
    x = 129,583.15

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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.