Home / 314,140.60-433,491.78-186,792.40

Finding the Fourth Proportional to 314,140.60, 433,491.78 and 186,792.40

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Solution

The fourth proportional to 314,140.60, 433,491.78 and 186,792.40 is: 257,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,140.60 : 433,491.78 = 186,792.40 : x
  2. Step 2: Convert to fraction form
    314,140.60/433,491.78 = 186,792.40/x
  3. Step 3: Cross multiply
    314,140.60x = 433,491.78 × 186,792.40
  4. Step 4: Simplify right side
    314,140.60x = 80,972,969,966.47
  5. Step 5: Solve for x
    x = 80,972,969,966.47/314,140.60
  6. Step 6: Final answer
    x = 257,760.28

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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.