Home / 165,590.80-248,386.20-99,235.60

Finding the Fourth Proportional to 165,590.80, 248,386.20 and 99,235.60

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Solution

The fourth proportional to 165,590.80, 248,386.20 and 99,235.60 is: 148,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590.80 : 248,386.20 = 99,235.60 : x
  2. Step 2: Convert to fraction form
    165,590.80/248,386.20 = 99,235.60/x
  3. Step 3: Cross multiply
    165,590.80x = 248,386.20 × 99,235.60
  4. Step 4: Simplify right side
    165,590.80x = 24,648,753,588.72
  5. Step 5: Solve for x
    x = 24,648,753,588.72/165,590.80
  6. Step 6: Final answer
    x = 148,853.40

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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.