Home / 79,214.24-118,526.07-78,328.46

Finding the Fourth Proportional to 79,214.24, 118,526.07 and 78,328.46

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Solution

The fourth proportional to 79,214.24, 118,526.07 and 78,328.46 is: 117,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214.24 : 118,526.07 = 78,328.46 : x
  2. Step 2: Convert to fraction form
    79,214.24/118,526.07 = 78,328.46/x
  3. Step 3: Cross multiply
    79,214.24x = 118,526.07 × 78,328.46
  4. Step 4: Simplify right side
    79,214.24x = 9,283,964,532.95
  5. Step 5: Solve for x
    x = 9,283,964,532.95/79,214.24
  6. Step 6: Final answer
    x = 117,200.70

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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.