Home / 218,557.08-301,630.36-127,907.64

Finding the Fourth Proportional to 218,557.08, 301,630.36 and 127,907.64

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Solution

The fourth proportional to 218,557.08, 301,630.36 and 127,907.64 is: 176,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,557.08 : 301,630.36 = 127,907.64 : x
  2. Step 2: Convert to fraction form
    218,557.08/301,630.36 = 127,907.64/x
  3. Step 3: Cross multiply
    218,557.08x = 301,630.36 × 127,907.64
  4. Step 4: Simplify right side
    218,557.08x = 38,580,827,499.95
  5. Step 5: Solve for x
    x = 38,580,827,499.95/218,557.08
  6. Step 6: Final answer
    x = 176,525.18

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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.