Home / 242,268.71-334,327.48-134,838.79

Finding the Fourth Proportional to 242,268.71, 334,327.48 and 134,838.79

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Solution

The fourth proportional to 242,268.71, 334,327.48 and 134,838.79 is: 186,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,268.71 : 334,327.48 = 134,838.79 : x
  2. Step 2: Convert to fraction form
    242,268.71/334,327.48 = 134,838.79/x
  3. Step 3: Cross multiply
    242,268.71x = 334,327.48 × 134,838.79
  4. Step 4: Simplify right side
    242,268.71x = 45,080,311,694.03
  5. Step 5: Solve for x
    x = 45,080,311,694.03/242,268.71
  6. Step 6: Final answer
    x = 186,075.67

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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.