Home / 181,386.80-272,080.20-114,610.40

Finding the Fourth Proportional to 181,386.80, 272,080.20 and 114,610.40

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Solution

The fourth proportional to 181,386.80, 272,080.20 and 114,610.40 is: 171,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,386.80 : 272,080.20 = 114,610.40 : x
  2. Step 2: Convert to fraction form
    181,386.80/272,080.20 = 114,610.40/x
  3. Step 3: Cross multiply
    181,386.80x = 272,080.20 × 114,610.40
  4. Step 4: Simplify right side
    181,386.80x = 31,183,220,554.08
  5. Step 5: Solve for x
    x = 31,183,220,554.08/181,386.80
  6. Step 6: Final answer
    x = 171,915.60

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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.