Home / 218,200.02-301,120.14-127,563.72

Finding the Fourth Proportional to 218,200.02, 301,120.14 and 127,563.72

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Solution

The fourth proportional to 218,200.02, 301,120.14 and 127,563.72 is: 176,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,200.02 : 301,120.14 = 127,563.72 : x
  2. Step 2: Convert to fraction form
    218,200.02/301,120.14 = 127,563.72/x
  3. Step 3: Cross multiply
    218,200.02x = 301,120.14 × 127,563.72
  4. Step 4: Simplify right side
    218,200.02x = 38,412,005,225.32
  5. Step 5: Solve for x
    x = 38,412,005,225.32/218,200.02
  6. Step 6: Final answer
    x = 176,040.34

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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.