Home / 127,335.60-190,877.40-56,296.80

Finding the Fourth Proportional to 127,335.60, 190,877.40 and 56,296.80

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Solution

The fourth proportional to 127,335.60, 190,877.40 and 56,296.80 is: 84,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,335.60 : 190,877.40 = 56,296.80 : x
  2. Step 2: Convert to fraction form
    127,335.60/190,877.40 = 56,296.80/x
  3. Step 3: Cross multiply
    127,335.60x = 190,877.40 × 56,296.80
  4. Step 4: Simplify right side
    127,335.60x = 10,745,786,812.32
  5. Step 5: Solve for x
    x = 10,745,786,812.32/127,335.60
  6. Step 6: Final answer
    x = 84,389.49

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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.