Home / 136,343.02-188,057.16-118,160.85

Finding the Fourth Proportional to 136,343.02, 188,057.16 and 118,160.85

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Solution

The fourth proportional to 136,343.02, 188,057.16 and 118,160.85 is: 162,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,343.02 : 188,057.16 = 118,160.85 : x
  2. Step 2: Convert to fraction form
    136,343.02/188,057.16 = 118,160.85/x
  3. Step 3: Cross multiply
    136,343.02x = 188,057.16 × 118,160.85
  4. Step 4: Simplify right side
    136,343.02x = 22,220,993,874.19
  5. Step 5: Solve for x
    x = 22,220,993,874.19/136,343.02
  6. Step 6: Final answer
    x = 162,978.60

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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.