Home / 97,540.22-134,088.42-83,878.16

Finding the Fourth Proportional to 97,540.22, 134,088.42 and 83,878.16

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Solution

The fourth proportional to 97,540.22, 134,088.42 and 83,878.16 is: 115,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,540.22 : 134,088.42 = 83,878.16 : x
  2. Step 2: Convert to fraction form
    97,540.22/134,088.42 = 83,878.16/x
  3. Step 3: Cross multiply
    97,540.22x = 134,088.42 × 83,878.16
  4. Step 4: Simplify right side
    97,540.22x = 11,247,089,527.52
  5. Step 5: Solve for x
    x = 11,247,089,527.52/97,540.22
  6. Step 6: Final answer
    x = 115,307.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.