Home / 116,299.44-160,554.18-78,259.01

Finding the Fourth Proportional to 116,299.44, 160,554.18 and 78,259.01

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Solution

The fourth proportional to 116,299.44, 160,554.18 and 78,259.01 is: 108,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,299.44 : 160,554.18 = 78,259.01 : x
  2. Step 2: Convert to fraction form
    116,299.44/160,554.18 = 78,259.01/x
  3. Step 3: Cross multiply
    116,299.44x = 160,554.18 × 78,259.01
  4. Step 4: Simplify right side
    116,299.44x = 12,564,810,668.86
  5. Step 5: Solve for x
    x = 12,564,810,668.86/116,299.44
  6. Step 6: Final answer
    x = 108,038.45

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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.