Home / 369,644.04-510,108.41-199,877.76

Finding the Fourth Proportional to 369,644.04, 510,108.41 and 199,877.76

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Solution

The fourth proportional to 369,644.04, 510,108.41 and 199,877.76 is: 275,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,644.04 : 510,108.41 = 199,877.76 : x
  2. Step 2: Convert to fraction form
    369,644.04/510,108.41 = 199,877.76/x
  3. Step 3: Cross multiply
    369,644.04x = 510,108.41 × 199,877.76
  4. Step 4: Simplify right side
    369,644.04x = 101,959,326,347.96
  5. Step 5: Solve for x
    x = 101,959,326,347.96/369,644.04
  6. Step 6: Final answer
    x = 275,831.11

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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.