Home / 144,400.12-199,192.14-83,964.10

Finding the Fourth Proportional to 144,400.12, 199,192.14 and 83,964.10

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Solution

The fourth proportional to 144,400.12, 199,192.14 and 83,964.10 is: 115,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,400.12 : 199,192.14 = 83,964.10 : x
  2. Step 2: Convert to fraction form
    144,400.12/199,192.14 = 83,964.10/x
  3. Step 3: Cross multiply
    144,400.12x = 199,192.14 × 83,964.10
  4. Step 4: Simplify right side
    144,400.12x = 16,724,988,762.17
  5. Step 5: Solve for x
    x = 16,724,988,762.17/144,400.12
  6. Step 6: Final answer
    x = 115,823.93

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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.