Home / 111,113.40-166,670.10-103,677.60

Finding the Fourth Proportional to 111,113.40, 166,670.10 and 103,677.60

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Solution

The fourth proportional to 111,113.40, 166,670.10 and 103,677.60 is: 155,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,113.40 : 166,670.10 = 103,677.60 : x
  2. Step 2: Convert to fraction form
    111,113.40/166,670.10 = 103,677.60/x
  3. Step 3: Cross multiply
    111,113.40x = 166,670.10 × 103,677.60
  4. Step 4: Simplify right side
    111,113.40x = 17,279,955,959.76
  5. Step 5: Solve for x
    x = 17,279,955,959.76/111,113.40
  6. Step 6: Final answer
    x = 155,516.40

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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.