Home / 313,952.02-432,521.58-218,292.64

Finding the Fourth Proportional to 313,952.02, 432,521.58 and 218,292.64

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Solution

The fourth proportional to 313,952.02, 432,521.58 and 218,292.64 is: 300,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,952.02 : 432,521.58 = 218,292.64 : x
  2. Step 2: Convert to fraction form
    313,952.02/432,521.58 = 218,292.64/x
  3. Step 3: Cross multiply
    313,952.02x = 432,521.58 × 218,292.64
  4. Step 4: Simplify right side
    313,952.02x = 94,416,277,555.17
  5. Step 5: Solve for x
    x = 94,416,277,555.17/313,952.02
  6. Step 6: Final answer
    x = 300,734.74

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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.