Home / 183,615.40-275,423.10-127,628.20

Finding the Fourth Proportional to 183,615.40, 275,423.10 and 127,628.20

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Solution

The fourth proportional to 183,615.40, 275,423.10 and 127,628.20 is: 191,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,615.40 : 275,423.10 = 127,628.20 : x
  2. Step 2: Convert to fraction form
    183,615.40/275,423.10 = 127,628.20/x
  3. Step 3: Cross multiply
    183,615.40x = 275,423.10 × 127,628.20
  4. Step 4: Simplify right side
    183,615.40x = 35,151,754,491.42
  5. Step 5: Solve for x
    x = 35,151,754,491.42/183,615.40
  6. Step 6: Final answer
    x = 191,442.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.