Home / 369,569.16-510,005.48-199,803.24

Finding the Fourth Proportional to 369,569.16, 510,005.48 and 199,803.24

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Solution

The fourth proportional to 369,569.16, 510,005.48 and 199,803.24 is: 275,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,569.16 : 510,005.48 = 199,803.24 : x
  2. Step 2: Convert to fraction form
    369,569.16/510,005.48 = 199,803.24/x
  3. Step 3: Cross multiply
    369,569.16x = 510,005.48 × 199,803.24
  4. Step 4: Simplify right side
    369,569.16x = 101,900,747,321.76
  5. Step 5: Solve for x
    x = 101,900,747,321.76/369,569.16
  6. Step 6: Final answer
    x = 275,728.49

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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.