Home / 163,337.15-225,389.58-91,700.75

Finding the Fourth Proportional to 163,337.15, 225,389.58 and 91,700.75

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Solution

The fourth proportional to 163,337.15, 225,389.58 and 91,700.75 is: 126,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,337.15 : 225,389.58 = 91,700.75 : x
  2. Step 2: Convert to fraction form
    163,337.15/225,389.58 = 91,700.75/x
  3. Step 3: Cross multiply
    163,337.15x = 225,389.58 × 91,700.75
  4. Step 4: Simplify right side
    163,337.15x = 20,668,393,528.19
  5. Step 5: Solve for x
    x = 20,668,393,528.19/163,337.15
  6. Step 6: Final answer
    x = 126,538.23

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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.