Home / 113,536.48-156,668.40-65,804.80

Finding the Fourth Proportional to 113,536.48, 156,668.40 and 65,804.80

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Solution

The fourth proportional to 113,536.48, 156,668.40 and 65,804.80 is: 90,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,536.48 : 156,668.40 = 65,804.80 : x
  2. Step 2: Convert to fraction form
    113,536.48/156,668.40 = 65,804.80/x
  3. Step 3: Cross multiply
    113,536.48x = 156,668.40 × 65,804.80
  4. Step 4: Simplify right side
    113,536.48x = 10,309,532,728.32
  5. Step 5: Solve for x
    x = 10,309,532,728.32/113,536.48
  6. Step 6: Final answer
    x = 90,803.70

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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.