Home / 116,130.16-160,250.43-65,136.07

Finding the Fourth Proportional to 116,130.16, 160,250.43 and 65,136.07

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Solution

The fourth proportional to 116,130.16, 160,250.43 and 65,136.07 is: 89,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,130.16 : 160,250.43 = 65,136.07 : x
  2. Step 2: Convert to fraction form
    116,130.16/160,250.43 = 65,136.07/x
  3. Step 3: Cross multiply
    116,130.16x = 160,250.43 × 65,136.07
  4. Step 4: Simplify right side
    116,130.16x = 10,438,083,226.01
  5. Step 5: Solve for x
    x = 10,438,083,226.01/116,130.16
  6. Step 6: Final answer
    x = 89,882.62

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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.