Home / 319,220.34-440,527.05-175,985.52

Finding the Fourth Proportional to 319,220.34, 440,527.05 and 175,985.52

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Solution

The fourth proportional to 319,220.34, 440,527.05 and 175,985.52 is: 242,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,220.34 : 440,527.05 = 175,985.52 : x
  2. Step 2: Convert to fraction form
    319,220.34/440,527.05 = 175,985.52/x
  3. Step 3: Cross multiply
    319,220.34x = 440,527.05 × 175,985.52
  4. Step 4: Simplify right side
    319,220.34x = 77,526,381,968.32
  5. Step 5: Solve for x
    x = 77,526,381,968.32/319,220.34
  6. Step 6: Final answer
    x = 242,861.66

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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.