Home / 213,135.04-319,603.20-63,320.32

Finding the Fourth Proportional to 213,135.04, 319,603.20 and 63,320.32

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Solution

The fourth proportional to 213,135.04, 319,603.20 and 63,320.32 is: 94,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135.04 : 319,603.20 = 63,320.32 : x
  2. Step 2: Convert to fraction form
    213,135.04/319,603.20 = 63,320.32/x
  3. Step 3: Cross multiply
    213,135.04x = 319,603.20 × 63,320.32
  4. Step 4: Simplify right side
    213,135.04x = 20,237,376,897.02
  5. Step 5: Solve for x
    x = 20,237,376,897.02/213,135.04
  6. Step 6: Final answer
    x = 94,950.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.