Home / 182,970.10-274,455.15-112,986.10

Finding the Fourth Proportional to 182,970.10, 274,455.15 and 112,986.10

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Solution

The fourth proportional to 182,970.10, 274,455.15 and 112,986.10 is: 169,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,970.10 : 274,455.15 = 112,986.10 : x
  2. Step 2: Convert to fraction form
    182,970.10/274,455.15 = 112,986.10/x
  3. Step 3: Cross multiply
    182,970.10x = 274,455.15 × 112,986.10
  4. Step 4: Simplify right side
    182,970.10x = 31,009,617,023.42
  5. Step 5: Solve for x
    x = 31,009,617,023.42/182,970.10
  6. Step 6: Final answer
    x = 169,479.15

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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.