Home / 136,924.02-188,958.42-85,931.28

Finding the Fourth Proportional to 136,924.02, 188,958.42 and 85,931.28

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Solution

The fourth proportional to 136,924.02, 188,958.42 and 85,931.28 is: 118,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,924.02 : 188,958.42 = 85,931.28 : x
  2. Step 2: Convert to fraction form
    136,924.02/188,958.42 = 85,931.28/x
  3. Step 3: Cross multiply
    136,924.02x = 188,958.42 × 85,931.28
  4. Step 4: Simplify right side
    136,924.02x = 16,237,438,897.38
  5. Step 5: Solve for x
    x = 16,237,438,897.38/136,924.02
  6. Step 6: Final answer
    x = 118,587.22

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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.