Home / 144,210.12-199,008.87-83,816.16

Finding the Fourth Proportional to 144,210.12, 199,008.87 and 83,816.16

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Solution

The fourth proportional to 144,210.12, 199,008.87 and 83,816.16 is: 115,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,210.12 : 199,008.87 = 83,816.16 : x
  2. Step 2: Convert to fraction form
    144,210.12/199,008.87 = 83,816.16/x
  3. Step 3: Cross multiply
    144,210.12x = 199,008.87 × 83,816.16
  4. Step 4: Simplify right side
    144,210.12x = 16,680,159,289.34
  5. Step 5: Solve for x
    x = 16,680,159,289.34/144,210.12
  6. Step 6: Final answer
    x = 115,665.66

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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.