Home / 134,478.09-201,658.80-45,707.76

Finding the Fourth Proportional to 134,478.09, 201,658.80 and 45,707.76

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Solution

The fourth proportional to 134,478.09, 201,658.80 and 45,707.76 is: 68,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478.09 : 201,658.80 = 45,707.76 : x
  2. Step 2: Convert to fraction form
    134,478.09/201,658.80 = 45,707.76/x
  3. Step 3: Cross multiply
    134,478.09x = 201,658.80 × 45,707.76
  4. Step 4: Simplify right side
    134,478.09x = 9,217,372,032.29
  5. Step 5: Solve for x
    x = 9,217,372,032.29/134,478.09
  6. Step 6: Final answer
    x = 68,541.81

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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.