Home / 386,368.86-533,220.93-214,342.23

Finding the Fourth Proportional to 386,368.86, 533,220.93 and 214,342.23

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Solution

The fourth proportional to 386,368.86, 533,220.93 and 214,342.23 is: 295,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,368.86 : 533,220.93 = 214,342.23 : x
  2. Step 2: Convert to fraction form
    386,368.86/533,220.93 = 214,342.23/x
  3. Step 3: Cross multiply
    386,368.86x = 533,220.93 × 214,342.23
  4. Step 4: Simplify right side
    386,368.86x = 114,291,763,566.20
  5. Step 5: Solve for x
    x = 114,291,763,566.20/386,368.86
  6. Step 6: Final answer
    x = 295,809.97

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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.