Home / 314,639.39-434,200.24-171,399.53

Finding the Fourth Proportional to 314,639.39, 434,200.24 and 171,399.53

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Solution

The fourth proportional to 314,639.39, 434,200.24 and 171,399.53 is: 236,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,639.39 : 434,200.24 = 171,399.53 : x
  2. Step 2: Convert to fraction form
    314,639.39/434,200.24 = 171,399.53/x
  3. Step 3: Cross multiply
    314,639.39x = 434,200.24 × 171,399.53
  4. Step 4: Simplify right side
    314,639.39x = 74,421,717,061.89
  5. Step 5: Solve for x
    x = 74,421,717,061.89/314,639.39
  6. Step 6: Final answer
    x = 236,530.20

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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.