Home / 186,904.70-280,421.85-81,799.10

Finding the Fourth Proportional to 186,904.70, 280,421.85 and 81,799.10

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Solution

The fourth proportional to 186,904.70, 280,421.85 and 81,799.10 is: 122,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.70 : 280,421.85 = 81,799.10 : x
  2. Step 2: Convert to fraction form
    186,904.70/280,421.85 = 81,799.10/x
  3. Step 3: Cross multiply
    186,904.70x = 280,421.85 × 81,799.10
  4. Step 4: Simplify right side
    186,904.70x = 22,938,254,950.34
  5. Step 5: Solve for x
    x = 22,938,254,950.34/186,904.70
  6. Step 6: Final answer
    x = 122,727.01

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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.