Home / 305,570.24-457,886.52-127,980.08

Finding the Fourth Proportional to 305,570.24, 457,886.52 and 127,980.08

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Solution

The fourth proportional to 305,570.24, 457,886.52 and 127,980.08 is: 191,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,570.24 : 457,886.52 = 127,980.08 : x
  2. Step 2: Convert to fraction form
    305,570.24/457,886.52 = 127,980.08/x
  3. Step 3: Cross multiply
    305,570.24x = 457,886.52 × 127,980.08
  4. Step 4: Simplify right side
    305,570.24x = 58,600,353,460.52
  5. Step 5: Solve for x
    x = 58,600,353,460.52/305,570.24
  6. Step 6: Final answer
    x = 191,773.76

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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.