Home / 116,489.04-160,745.76-64,807.92

Finding the Fourth Proportional to 116,489.04, 160,745.76 and 64,807.92

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Solution

The fourth proportional to 116,489.04, 160,745.76 and 64,807.92 is: 89,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,489.04 : 160,745.76 = 64,807.92 : x
  2. Step 2: Convert to fraction form
    116,489.04/160,745.76 = 64,807.92/x
  3. Step 3: Cross multiply
    116,489.04x = 160,745.76 × 64,807.92
  4. Step 4: Simplify right side
    116,489.04x = 10,417,598,354.42
  5. Step 5: Solve for x
    x = 10,417,598,354.42/116,489.04
  6. Step 6: Final answer
    x = 89,429.86

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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.