Home / 319,261.55-440,572.50-176,017.91

Finding the Fourth Proportional to 319,261.55, 440,572.50 and 176,017.91

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Solution

The fourth proportional to 319,261.55, 440,572.50 and 176,017.91 is: 242,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,261.55 : 440,572.50 = 176,017.91 : x
  2. Step 2: Convert to fraction form
    319,261.55/440,572.50 = 176,017.91/x
  3. Step 3: Cross multiply
    319,261.55x = 440,572.50 × 176,017.91
  4. Step 4: Simplify right side
    319,261.55x = 77,548,648,450.61
  5. Step 5: Solve for x
    x = 77,548,648,450.61/319,261.55
  6. Step 6: Final answer
    x = 242,900.06

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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.