Home / 316,303.20-436,501.58-173,069.28

Finding the Fourth Proportional to 316,303.20, 436,501.58 and 173,069.28

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Solution

The fourth proportional to 316,303.20, 436,501.58 and 173,069.28 is: 238,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,303.20 : 436,501.58 = 173,069.28 : x
  2. Step 2: Convert to fraction form
    316,303.20/436,501.58 = 173,069.28/x
  3. Step 3: Cross multiply
    316,303.20x = 436,501.58 × 173,069.28
  4. Step 4: Simplify right side
    316,303.20x = 75,545,013,304.12
  5. Step 5: Solve for x
    x = 75,545,013,304.12/316,303.20
  6. Step 6: Final answer
    x = 238,837.33

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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.