Home / 116,579.20-174,868.80-79,254.40

Finding the Fourth Proportional to 116,579.20, 174,868.80 and 79,254.40

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Solution

The fourth proportional to 116,579.20, 174,868.80 and 79,254.40 is: 118,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,579.20 : 174,868.80 = 79,254.40 : x
  2. Step 2: Convert to fraction form
    116,579.20/174,868.80 = 79,254.40/x
  3. Step 3: Cross multiply
    116,579.20x = 174,868.80 × 79,254.40
  4. Step 4: Simplify right side
    116,579.20x = 13,859,121,822.72
  5. Step 5: Solve for x
    x = 13,859,121,822.72/116,579.20
  6. Step 6: Final answer
    x = 118,881.60

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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.