Home / 228,130.81-314,822.55-126,163.12

Finding the Fourth Proportional to 228,130.81, 314,822.55 and 126,163.12

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Solution

The fourth proportional to 228,130.81, 314,822.55 and 126,163.12 is: 174,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,130.81 : 314,822.55 = 126,163.12 : x
  2. Step 2: Convert to fraction form
    228,130.81/314,822.55 = 126,163.12/x
  3. Step 3: Cross multiply
    228,130.81x = 314,822.55 × 126,163.12
  4. Step 4: Simplify right side
    228,130.81x = 39,718,995,154.36
  5. Step 5: Solve for x
    x = 39,718,995,154.36/228,130.81
  6. Step 6: Final answer
    x = 174,106.23

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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.