Home / 313,763.48-433,030.46-186,439.20

Finding the Fourth Proportional to 313,763.48, 433,030.46 and 186,439.20

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Solution

The fourth proportional to 313,763.48, 433,030.46 and 186,439.20 is: 257,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,763.48 : 433,030.46 = 186,439.20 : x
  2. Step 2: Convert to fraction form
    313,763.48/433,030.46 = 186,439.20/x
  3. Step 3: Cross multiply
    313,763.48x = 433,030.46 × 186,439.20
  4. Step 4: Simplify right side
    313,763.48x = 80,733,852,538.03
  5. Step 5: Solve for x
    x = 80,733,852,538.03/313,763.48
  6. Step 6: Final answer
    x = 257,308.00

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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.