Home / 126,523.23-174,602.23-72,807.18

Finding the Fourth Proportional to 126,523.23, 174,602.23 and 72,807.18

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Solution

The fourth proportional to 126,523.23, 174,602.23 and 72,807.18 is: 100,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,523.23 : 174,602.23 = 72,807.18 : x
  2. Step 2: Convert to fraction form
    126,523.23/174,602.23 = 72,807.18/x
  3. Step 3: Cross multiply
    126,523.23x = 174,602.23 × 72,807.18
  4. Step 4: Simplify right side
    126,523.23x = 12,712,295,805.99
  5. Step 5: Solve for x
    x = 12,712,295,805.99/126,523.23
  6. Step 6: Final answer
    x = 100,474.01

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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.