Home / 127,312.40-190,968.60-113,534.30

Finding the Fourth Proportional to 127,312.40, 190,968.60 and 113,534.30

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Solution

The fourth proportional to 127,312.40, 190,968.60 and 113,534.30 is: 170,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,312.40 : 190,968.60 = 113,534.30 : x
  2. Step 2: Convert to fraction form
    127,312.40/190,968.60 = 113,534.30/x
  3. Step 3: Cross multiply
    127,312.40x = 190,968.60 × 113,534.30
  4. Step 4: Simplify right side
    127,312.40x = 21,681,486,322.98
  5. Step 5: Solve for x
    x = 21,681,486,322.98/127,312.40
  6. Step 6: Final answer
    x = 170,301.45

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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.