Home / 296,658.90-444,858.75-86,292.18

Finding the Fourth Proportional to 296,658.90, 444,858.75 and 86,292.18

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Solution

The fourth proportional to 296,658.90, 444,858.75 and 86,292.18 is: 129,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,658.90 : 444,858.75 = 86,292.18 : x
  2. Step 2: Convert to fraction form
    296,658.90/444,858.75 = 86,292.18/x
  3. Step 3: Cross multiply
    296,658.90x = 444,858.75 × 86,292.18
  4. Step 4: Simplify right side
    296,658.90x = 38,387,831,329.58
  5. Step 5: Solve for x
    x = 38,387,831,329.58/296,658.90
  6. Step 6: Final answer
    x = 129,400.57

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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.