Home / 319,380.89-440,740.37-176,154.26

Finding the Fourth Proportional to 319,380.89, 440,740.37 and 176,154.26

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Solution

The fourth proportional to 319,380.89, 440,740.37 and 176,154.26 is: 243,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,380.89 : 440,740.37 = 176,154.26 : x
  2. Step 2: Convert to fraction form
    319,380.89/440,740.37 = 176,154.26/x
  3. Step 3: Cross multiply
    319,380.89x = 440,740.37 × 176,154.26
  4. Step 4: Simplify right side
    319,380.89x = 77,638,291,966.16
  5. Step 5: Solve for x
    x = 77,638,291,966.16/319,380.89
  6. Step 6: Final answer
    x = 243,089.98

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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.