Home / 190,835.10-286,252.65-171,808.20

Finding the Fourth Proportional to 190,835.10, 286,252.65 and 171,808.20

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Solution

The fourth proportional to 190,835.10, 286,252.65 and 171,808.20 is: 257,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.10 : 286,252.65 = 171,808.20 : x
  2. Step 2: Convert to fraction form
    190,835.10/286,252.65 = 171,808.20/x
  3. Step 3: Cross multiply
    190,835.10x = 286,252.65 × 171,808.20
  4. Step 4: Simplify right side
    190,835.10x = 49,180,552,541.73
  5. Step 5: Solve for x
    x = 49,180,552,541.73/190,835.10
  6. Step 6: Final answer
    x = 257,712.30

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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.