Home / 160,621.19-221,653.94-89,000.59

Finding the Fourth Proportional to 160,621.19, 221,653.94 and 89,000.59

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Solution

The fourth proportional to 160,621.19, 221,653.94 and 89,000.59 is: 122,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,621.19 : 221,653.94 = 89,000.59 : x
  2. Step 2: Convert to fraction form
    160,621.19/221,653.94 = 89,000.59/x
  3. Step 3: Cross multiply
    160,621.19x = 221,653.94 × 89,000.59
  4. Step 4: Simplify right side
    160,621.19x = 19,727,330,852.29
  5. Step 5: Solve for x
    x = 19,727,330,852.29/160,621.19
  6. Step 6: Final answer
    x = 122,818.98

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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.