Home / 170,378.34-235,123.74-93,900.21

Finding the Fourth Proportional to 170,378.34, 235,123.74 and 93,900.21

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Solution

The fourth proportional to 170,378.34, 235,123.74 and 93,900.21 is: 129,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,378.34 : 235,123.74 = 93,900.21 : x
  2. Step 2: Convert to fraction form
    170,378.34/235,123.74 = 93,900.21/x
  3. Step 3: Cross multiply
    170,378.34x = 235,123.74 × 93,900.21
  4. Step 4: Simplify right side
    170,378.34x = 22,078,168,561.99
  5. Step 5: Solve for x
    x = 22,078,168,561.99/170,378.34
  6. Step 6: Final answer
    x = 129,583.19

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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.