Home / 127,782.03-176,340.41-70,423.45

Finding the Fourth Proportional to 127,782.03, 176,340.41 and 70,423.45

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Solution

The fourth proportional to 127,782.03, 176,340.41 and 70,423.45 is: 97,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,782.03 : 176,340.41 = 70,423.45 : x
  2. Step 2: Convert to fraction form
    127,782.03/176,340.41 = 70,423.45/x
  3. Step 3: Cross multiply
    127,782.03x = 176,340.41 × 70,423.45
  4. Step 4: Simplify right side
    127,782.03x = 12,418,500,013.69
  5. Step 5: Solve for x
    x = 12,418,500,013.69/127,782.03
  6. Step 6: Final answer
    x = 97,185.03

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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.