Home / 131,281.94-181,096.12-86,032.91

Finding the Fourth Proportional to 131,281.94, 181,096.12 and 86,032.91

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Solution

The fourth proportional to 131,281.94, 181,096.12 and 86,032.91 is: 118,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,281.94 : 181,096.12 = 86,032.91 : x
  2. Step 2: Convert to fraction form
    131,281.94/181,096.12 = 86,032.91/x
  3. Step 3: Cross multiply
    131,281.94x = 181,096.12 × 86,032.91
  4. Step 4: Simplify right side
    131,281.94x = 15,580,225,072.75
  5. Step 5: Solve for x
    x = 15,580,225,072.75/131,281.94
  6. Step 6: Final answer
    x = 118,677.60

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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.