Home / 127,154.80-190,733.64-38,409.04

Finding the Fourth Proportional to 127,154.80, 190,733.64 and 38,409.04

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Solution

The fourth proportional to 127,154.80, 190,733.64 and 38,409.04 is: 57,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,154.80 : 190,733.64 = 38,409.04 : x
  2. Step 2: Convert to fraction form
    127,154.80/190,733.64 = 38,409.04/x
  3. Step 3: Cross multiply
    127,154.80x = 190,733.64 × 38,409.04
  4. Step 4: Simplify right side
    127,154.80x = 7,325,896,008.11
  5. Step 5: Solve for x
    x = 7,325,896,008.11/127,154.80
  6. Step 6: Final answer
    x = 57,613.99

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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.