Home / 134,123.76-201,060.63-45,315.23

Finding the Fourth Proportional to 134,123.76, 201,060.63 and 45,315.23

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Solution

The fourth proportional to 134,123.76, 201,060.63 and 45,315.23 is: 67,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,123.76 : 201,060.63 = 45,315.23 : x
  2. Step 2: Convert to fraction form
    134,123.76/201,060.63 = 45,315.23/x
  3. Step 3: Cross multiply
    134,123.76x = 201,060.63 × 45,315.23
  4. Step 4: Simplify right side
    134,123.76x = 9,111,107,687.09
  5. Step 5: Solve for x
    x = 9,111,107,687.09/134,123.76
  6. Step 6: Final answer
    x = 67,930.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.