Home / 133,075.10-199,612.65-106,831.10

Finding the Fourth Proportional to 133,075.10, 199,612.65 and 106,831.10

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Solution

The fourth proportional to 133,075.10, 199,612.65 and 106,831.10 is: 160,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.10 : 199,612.65 = 106,831.10 : x
  2. Step 2: Convert to fraction form
    133,075.10/199,612.65 = 106,831.10/x
  3. Step 3: Cross multiply
    133,075.10x = 199,612.65 × 106,831.10
  4. Step 4: Simplify right side
    133,075.10x = 21,324,838,973.42
  5. Step 5: Solve for x
    x = 21,324,838,973.42/133,075.10
  6. Step 6: Final answer
    x = 160,246.65

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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.