Home / 187,214.10-280,821.15-163,886.10

Finding the Fourth Proportional to 187,214.10, 280,821.15 and 163,886.10

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Solution

The fourth proportional to 187,214.10, 280,821.15 and 163,886.10 is: 245,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214.10 : 280,821.15 = 163,886.10 : x
  2. Step 2: Convert to fraction form
    187,214.10/280,821.15 = 163,886.10/x
  3. Step 3: Cross multiply
    187,214.10x = 280,821.15 × 163,886.10
  4. Step 4: Simplify right side
    187,214.10x = 46,022,683,071.02
  5. Step 5: Solve for x
    x = 46,022,683,071.02/187,214.10
  6. Step 6: Final answer
    x = 245,829.15

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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.