Home / 159,065.18-219,496.90-93,643.62

Finding the Fourth Proportional to 159,065.18, 219,496.90 and 93,643.62

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Solution

The fourth proportional to 159,065.18, 219,496.90 and 93,643.62 is: 129,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,065.18 : 219,496.90 = 93,643.62 : x
  2. Step 2: Convert to fraction form
    159,065.18/219,496.90 = 93,643.62/x
  3. Step 3: Cross multiply
    159,065.18x = 219,496.90 × 93,643.62
  4. Step 4: Simplify right side
    159,065.18x = 20,554,484,060.67
  5. Step 5: Solve for x
    x = 20,554,484,060.67/159,065.18
  6. Step 6: Final answer
    x = 129,220.51

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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.