Home / 126,526.08-174,615.84-69,942.72

Finding the Fourth Proportional to 126,526.08, 174,615.84 and 69,942.72

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Solution

The fourth proportional to 126,526.08, 174,615.84 and 69,942.72 is: 96,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,526.08 : 174,615.84 = 69,942.72 : x
  2. Step 2: Convert to fraction form
    126,526.08/174,615.84 = 69,942.72/x
  3. Step 3: Cross multiply
    126,526.08x = 174,615.84 × 69,942.72
  4. Step 4: Simplify right side
    126,526.08x = 12,213,106,804.68
  5. Step 5: Solve for x
    x = 12,213,106,804.68/126,526.08
  6. Step 6: Final answer
    x = 96,526.40

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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.