Home / 160,685.55-221,742.45-89,064.93

Finding the Fourth Proportional to 160,685.55, 221,742.45 and 89,064.93

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Solution

The fourth proportional to 160,685.55, 221,742.45 and 89,064.93 is: 122,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,685.55 : 221,742.45 = 89,064.93 : x
  2. Step 2: Convert to fraction form
    160,685.55/221,742.45 = 89,064.93/x
  3. Step 3: Cross multiply
    160,685.55x = 221,742.45 × 89,064.93
  4. Step 4: Simplify right side
    160,685.55x = 19,749,475,787.28
  5. Step 5: Solve for x
    x = 19,749,475,787.28/160,685.55
  6. Step 6: Final answer
    x = 122,907.60

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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.