Home / 346,448.25-478,100.03-187,472.25

Finding the Fourth Proportional to 346,448.25, 478,100.03 and 187,472.25

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Solution

The fourth proportional to 346,448.25, 478,100.03 and 187,472.25 is: 258,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,448.25 : 478,100.03 = 187,472.25 : x
  2. Step 2: Convert to fraction form
    346,448.25/478,100.03 = 187,472.25/x
  3. Step 3: Cross multiply
    346,448.25x = 478,100.03 × 187,472.25
  4. Step 4: Simplify right side
    346,448.25x = 89,630,487,411.81
  5. Step 5: Solve for x
    x = 89,630,487,411.81/346,448.25
  6. Step 6: Final answer
    x = 258,712.48

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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.