Home / 111,428.16-167,125.76-32,521.20

Finding the Fourth Proportional to 111,428.16, 167,125.76 and 32,521.20

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Solution

The fourth proportional to 111,428.16, 167,125.76 and 32,521.20 is: 48,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,428.16 : 167,125.76 = 32,521.20 : x
  2. Step 2: Convert to fraction form
    111,428.16/167,125.76 = 32,521.20/x
  3. Step 3: Cross multiply
    111,428.16x = 167,125.76 × 32,521.20
  4. Step 4: Simplify right side
    111,428.16x = 5,435,130,266.11
  5. Step 5: Solve for x
    x = 5,435,130,266.11/111,428.16
  6. Step 6: Final answer
    x = 48,776.99

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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.