Home / 346,725.18-478,490.22-195,822.18

Finding the Fourth Proportional to 346,725.18, 478,490.22 and 195,822.18

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Solution

The fourth proportional to 346,725.18, 478,490.22 and 195,822.18 is: 270,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,725.18 : 478,490.22 = 195,822.18 : x
  2. Step 2: Convert to fraction form
    346,725.18/478,490.22 = 195,822.18/x
  3. Step 3: Cross multiply
    346,725.18x = 478,490.22 × 195,822.18
  4. Step 4: Simplify right side
    346,725.18x = 93,698,997,989.08
  5. Step 5: Solve for x
    x = 93,698,997,989.08/346,725.18
  6. Step 6: Final answer
    x = 270,239.96

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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.