Home / 314,946.08-434,639.22-171,714.32

Finding the Fourth Proportional to 314,946.08, 434,639.22 and 171,714.32

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Solution

The fourth proportional to 314,946.08, 434,639.22 and 171,714.32 is: 236,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,946.08 : 434,639.22 = 171,714.32 : x
  2. Step 2: Convert to fraction form
    314,946.08/434,639.22 = 171,714.32/x
  3. Step 3: Cross multiply
    314,946.08x = 434,639.22 × 171,714.32
  4. Step 4: Simplify right side
    314,946.08x = 74,633,778,107.63
  5. Step 5: Solve for x
    x = 74,633,778,107.63/314,946.08
  6. Step 6: Final answer
    x = 236,973.19

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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.