Home / 127,111.32-190,549.26-47,104.74

Finding the Fourth Proportional to 127,111.32, 190,549.26 and 47,104.74

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Solution

The fourth proportional to 127,111.32, 190,549.26 and 47,104.74 is: 70,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,111.32 : 190,549.26 = 47,104.74 : x
  2. Step 2: Convert to fraction form
    127,111.32/190,549.26 = 47,104.74/x
  3. Step 3: Cross multiply
    127,111.32x = 190,549.26 × 47,104.74
  4. Step 4: Simplify right side
    127,111.32x = 8,975,773,349.49
  5. Step 5: Solve for x
    x = 8,975,773,349.49/127,111.32
  6. Step 6: Final answer
    x = 70,613.49

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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.