Home / 205,019.70-282,927.52-113,136.84

Finding the Fourth Proportional to 205,019.70, 282,927.52 and 113,136.84

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Solution

The fourth proportional to 205,019.70, 282,927.52 and 113,136.84 is: 156,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,019.70 : 282,927.52 = 113,136.84 : x
  2. Step 2: Convert to fraction form
    205,019.70/282,927.52 = 113,136.84/x
  3. Step 3: Cross multiply
    205,019.70x = 282,927.52 × 113,136.84
  4. Step 4: Simplify right side
    205,019.70x = 32,009,525,561.84
  5. Step 5: Solve for x
    x = 32,009,525,561.84/205,019.70
  6. Step 6: Final answer
    x = 156,129.02

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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.