Home / 111,268.96-153,461.80-97,811.60

Finding the Fourth Proportional to 111,268.96, 153,461.80 and 97,811.60

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Solution

The fourth proportional to 111,268.96, 153,461.80 and 97,811.60 is: 134,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,268.96 : 153,461.80 = 97,811.60 : x
  2. Step 2: Convert to fraction form
    111,268.96/153,461.80 = 97,811.60/x
  3. Step 3: Cross multiply
    111,268.96x = 153,461.80 × 97,811.60
  4. Step 4: Simplify right side
    111,268.96x = 15,010,344,196.88
  5. Step 5: Solve for x
    x = 15,010,344,196.88/111,268.96
  6. Step 6: Final answer
    x = 134,901.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.