Home / 314,925.03-434,601.05-171,684.90

Finding the Fourth Proportional to 314,925.03, 434,601.05 and 171,684.90

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Solution

The fourth proportional to 314,925.03, 434,601.05 and 171,684.90 is: 236,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,925.03 : 434,601.05 = 171,684.90 : x
  2. Step 2: Convert to fraction form
    314,925.03/434,601.05 = 171,684.90/x
  3. Step 3: Cross multiply
    314,925.03x = 434,601.05 × 171,684.90
  4. Step 4: Simplify right side
    314,925.03x = 74,614,436,950.72
  5. Step 5: Solve for x
    x = 74,614,436,950.72/314,925.03
  6. Step 6: Final answer
    x = 236,927.62

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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.