Home / 360,815.07-497,925.77-199,681.23

Finding the Fourth Proportional to 360,815.07, 497,925.77 and 199,681.23

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Solution

The fourth proportional to 360,815.07, 497,925.77 and 199,681.23 is: 275,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,815.07 : 497,925.77 = 199,681.23 : x
  2. Step 2: Convert to fraction form
    360,815.07/497,925.77 = 199,681.23/x
  3. Step 3: Cross multiply
    360,815.07x = 497,925.77 × 199,681.23
  4. Step 4: Simplify right side
    360,815.07x = 99,426,429,203.89
  5. Step 5: Solve for x
    x = 99,426,429,203.89/360,815.07
  6. Step 6: Final answer
    x = 275,560.63

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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.