Home / 107,152.20-147,873.60-64,702.26

Finding the Fourth Proportional to 107,152.20, 147,873.60 and 64,702.26

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Solution

The fourth proportional to 107,152.20, 147,873.60 and 64,702.26 is: 89,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,152.20 : 147,873.60 = 64,702.26 : x
  2. Step 2: Convert to fraction form
    107,152.20/147,873.60 = 64,702.26/x
  3. Step 3: Cross multiply
    107,152.20x = 147,873.60 × 64,702.26
  4. Step 4: Simplify right side
    107,152.20x = 9,567,756,114.34
  5. Step 5: Solve for x
    x = 9,567,756,114.34/107,152.20
  6. Step 6: Final answer
    x = 89,291.27

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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.