Home / 130,752.69-180,423.82-73,384.23

Finding the Fourth Proportional to 130,752.69, 180,423.82 and 73,384.23

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Solution

The fourth proportional to 130,752.69, 180,423.82 and 73,384.23 is: 101,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,752.69 : 180,423.82 = 73,384.23 : x
  2. Step 2: Convert to fraction form
    130,752.69/180,423.82 = 73,384.23/x
  3. Step 3: Cross multiply
    130,752.69x = 180,423.82 × 73,384.23
  4. Step 4: Simplify right side
    130,752.69x = 13,240,263,104.36
  5. Step 5: Solve for x
    x = 13,240,263,104.36/130,752.69
  6. Step 6: Final answer
    x = 101,261.88

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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.