Home / 357,976.18-536,964.06-105,258.76

Finding the Fourth Proportional to 357,976.18, 536,964.06 and 105,258.76

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Solution

The fourth proportional to 357,976.18, 536,964.06 and 105,258.76 is: 157,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,976.18 : 536,964.06 = 105,258.76 : x
  2. Step 2: Convert to fraction form
    357,976.18/536,964.06 = 105,258.76/x
  3. Step 3: Cross multiply
    357,976.18x = 536,964.06 × 105,258.76
  4. Step 4: Simplify right side
    357,976.18x = 56,520,170,593.87
  5. Step 5: Solve for x
    x = 56,520,170,593.87/357,976.18
  6. Step 6: Final answer
    x = 157,888.08

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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.