Home / 229,037.02-343,653.45-118,306.78

Finding the Fourth Proportional to 229,037.02, 343,653.45 and 118,306.78

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Solution

The fourth proportional to 229,037.02, 343,653.45 and 118,306.78 is: 177,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,037.02 : 343,653.45 = 118,306.78 : x
  2. Step 2: Convert to fraction form
    229,037.02/343,653.45 = 118,306.78/x
  3. Step 3: Cross multiply
    229,037.02x = 343,653.45 × 118,306.78
  4. Step 4: Simplify right side
    229,037.02x = 40,656,533,105.39
  5. Step 5: Solve for x
    x = 40,656,533,105.39/229,037.02
  6. Step 6: Final answer
    x = 177,510.75

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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.