Home / 239,156.70-330,023.77-148,510.72

Finding the Fourth Proportional to 239,156.70, 330,023.77 and 148,510.72

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Solution

The fourth proportional to 239,156.70, 330,023.77 and 148,510.72 is: 204,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,156.70 : 330,023.77 = 148,510.72 : x
  2. Step 2: Convert to fraction form
    239,156.70/330,023.77 = 148,510.72/x
  3. Step 3: Cross multiply
    239,156.70x = 330,023.77 × 148,510.72
  4. Step 4: Simplify right side
    239,156.70x = 49,012,067,699.81
  5. Step 5: Solve for x
    x = 49,012,067,699.81/239,156.70
  6. Step 6: Final answer
    x = 204,937.05

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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.