Home / 111,030.40-166,545.60-110,374.30

Finding the Fourth Proportional to 111,030.40, 166,545.60 and 110,374.30

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Solution

The fourth proportional to 111,030.40, 166,545.60 and 110,374.30 is: 165,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.40 : 166,545.60 = 110,374.30 : x
  2. Step 2: Convert to fraction form
    111,030.40/166,545.60 = 110,374.30/x
  3. Step 3: Cross multiply
    111,030.40x = 166,545.60 × 110,374.30
  4. Step 4: Simplify right side
    111,030.40x = 18,382,354,018.08
  5. Step 5: Solve for x
    x = 18,382,354,018.08/111,030.40
  6. Step 6: Final answer
    x = 165,561.45

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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.