Home / 229,744.31-317,008.53-127,756.40

Finding the Fourth Proportional to 229,744.31, 317,008.53 and 127,756.40

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Solution

The fourth proportional to 229,744.31, 317,008.53 and 127,756.40 is: 176,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,744.31 : 317,008.53 = 127,756.40 : x
  2. Step 2: Convert to fraction form
    229,744.31/317,008.53 = 127,756.40/x
  3. Step 3: Cross multiply
    229,744.31x = 317,008.53 × 127,756.40
  4. Step 4: Simplify right side
    229,744.31x = 40,499,866,977.05
  5. Step 5: Solve for x
    x = 40,499,866,977.05/229,744.31
  6. Step 6: Final answer
    x = 176,282.35

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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.