Home / 377,925.10-521,536.63-208,159.23

Finding the Fourth Proportional to 377,925.10, 521,536.63 and 208,159.23

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Solution

The fourth proportional to 377,925.10, 521,536.63 and 208,159.23 is: 287,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,925.10 : 521,536.63 = 208,159.23 : x
  2. Step 2: Convert to fraction form
    377,925.10/521,536.63 = 208,159.23/x
  3. Step 3: Cross multiply
    377,925.10x = 521,536.63 × 208,159.23
  4. Step 4: Simplify right side
    377,925.10x = 108,562,663,317.60
  5. Step 5: Solve for x
    x = 108,562,663,317.60/377,925.10
  6. Step 6: Final answer
    x = 287,259.73

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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.