Home / 285,148.06-393,602.64-164,337.58

Finding the Fourth Proportional to 285,148.06, 393,602.64 and 164,337.58

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Solution

The fourth proportional to 285,148.06, 393,602.64 and 164,337.58 is: 226,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,148.06 : 393,602.64 = 164,337.58 : x
  2. Step 2: Convert to fraction form
    285,148.06/393,602.64 = 164,337.58/x
  3. Step 3: Cross multiply
    285,148.06x = 393,602.64 × 164,337.58
  4. Step 4: Simplify right side
    285,148.06x = 64,683,705,339.21
  5. Step 5: Solve for x
    x = 64,683,705,339.21/285,148.06
  6. Step 6: Final answer
    x = 226,842.52

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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.