Home / 313,981.70-433,142.40-186,567.08

Finding the Fourth Proportional to 313,981.70, 433,142.40 and 186,567.08

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Solution

The fourth proportional to 313,981.70, 433,142.40 and 186,567.08 is: 257,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.70 : 433,142.40 = 186,567.08 : x
  2. Step 2: Convert to fraction form
    313,981.70/433,142.40 = 186,567.08/x
  3. Step 3: Cross multiply
    313,981.70x = 433,142.40 × 186,567.08
  4. Step 4: Simplify right side
    313,981.70x = 80,810,112,792.19
  5. Step 5: Solve for x
    x = 80,810,112,792.19/313,981.70
  6. Step 6: Final answer
    x = 257,372.05

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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.