Home / 314,599.32-434,153.70-171,359.01

Finding the Fourth Proportional to 314,599.32, 434,153.70 and 171,359.01

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Solution

The fourth proportional to 314,599.32, 434,153.70 and 171,359.01 is: 236,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,599.32 : 434,153.70 = 171,359.01 : x
  2. Step 2: Convert to fraction form
    314,599.32/434,153.70 = 171,359.01/x
  3. Step 3: Cross multiply
    314,599.32x = 434,153.70 × 171,359.01
  4. Step 4: Simplify right side
    314,599.32x = 74,396,148,219.84
  5. Step 5: Solve for x
    x = 74,396,148,219.84/314,599.32
  6. Step 6: Final answer
    x = 236,479.05

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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.