Home / 354,934.80-532,402.20-144,723.60

Finding the Fourth Proportional to 354,934.80, 532,402.20 and 144,723.60

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Solution

The fourth proportional to 354,934.80, 532,402.20 and 144,723.60 is: 217,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,934.80 : 532,402.20 = 144,723.60 : x
  2. Step 2: Convert to fraction form
    354,934.80/532,402.20 = 144,723.60/x
  3. Step 3: Cross multiply
    354,934.80x = 532,402.20 × 144,723.60
  4. Step 4: Simplify right side
    354,934.80x = 77,051,163,031.92
  5. Step 5: Solve for x
    x = 77,051,163,031.92/354,934.80
  6. Step 6: Final answer
    x = 217,085.40

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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.