Home / 116,220.12-160,377.02-65,228.12

Finding the Fourth Proportional to 116,220.12, 160,377.02 and 65,228.12

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Solution

The fourth proportional to 116,220.12, 160,377.02 and 65,228.12 is: 90,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,220.12 : 160,377.02 = 65,228.12 : x
  2. Step 2: Convert to fraction form
    116,220.12/160,377.02 = 65,228.12/x
  3. Step 3: Cross multiply
    116,220.12x = 160,377.02 × 65,228.12
  4. Step 4: Simplify right side
    116,220.12x = 10,461,091,505.80
  5. Step 5: Solve for x
    x = 10,461,091,505.80/116,220.12
  6. Step 6: Final answer
    x = 90,011.02

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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.