Home / 314,526.13-434,043.08-171,288.56

Finding the Fourth Proportional to 314,526.13, 434,043.08 and 171,288.56

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Solution

The fourth proportional to 314,526.13, 434,043.08 and 171,288.56 is: 236,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,526.13 : 434,043.08 = 171,288.56 : x
  2. Step 2: Convert to fraction form
    314,526.13/434,043.08 = 171,288.56/x
  3. Step 3: Cross multiply
    314,526.13x = 434,043.08 × 171,288.56
  4. Step 4: Simplify right side
    314,526.13x = 74,346,614,379.83
  5. Step 5: Solve for x
    x = 74,346,614,379.83/314,526.13
  6. Step 6: Final answer
    x = 236,376.59

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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.