Home / 157,466.08-236,128.02-45,120.57

Finding the Fourth Proportional to 157,466.08, 236,128.02 and 45,120.57

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Solution

The fourth proportional to 157,466.08, 236,128.02 and 45,120.57 is: 67,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466.08 : 236,128.02 = 45,120.57 : x
  2. Step 2: Convert to fraction form
    157,466.08/236,128.02 = 45,120.57/x
  3. Step 3: Cross multiply
    157,466.08x = 236,128.02 × 45,120.57
  4. Step 4: Simplify right side
    157,466.08x = 10,654,230,855.37
  5. Step 5: Solve for x
    x = 10,654,230,855.37/157,466.08
  6. Step 6: Final answer
    x = 67,660.48

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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.