Home / 319,281.60-440,606.96-174,095.18

Finding the Fourth Proportional to 319,281.60, 440,606.96 and 174,095.18

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Solution

The fourth proportional to 319,281.60, 440,606.96 and 174,095.18 is: 240,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,281.60 : 440,606.96 = 174,095.18 : x
  2. Step 2: Convert to fraction form
    319,281.60/440,606.96 = 174,095.18/x
  3. Step 3: Cross multiply
    319,281.60x = 440,606.96 × 174,095.18
  4. Step 4: Simplify right side
    319,281.60x = 76,707,548,010.45
  5. Step 5: Solve for x
    x = 76,707,548,010.45/319,281.60
  6. Step 6: Final answer
    x = 240,250.45

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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.