Home / 208,028.04-287,078.54-112,534.81

Finding the Fourth Proportional to 208,028.04, 287,078.54 and 112,534.81

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Solution

The fourth proportional to 208,028.04, 287,078.54 and 112,534.81 is: 155,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,028.04 : 287,078.54 = 112,534.81 : x
  2. Step 2: Convert to fraction form
    208,028.04/287,078.54 = 112,534.81/x
  3. Step 3: Cross multiply
    208,028.04x = 287,078.54 × 112,534.81
  4. Step 4: Simplify right side
    208,028.04x = 32,306,328,953.98
  5. Step 5: Solve for x
    x = 32,306,328,953.98/208,028.04
  6. Step 6: Final answer
    x = 155,297.95

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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.