Home / 319,085.77-440,347.59-175,855.04

Finding the Fourth Proportional to 319,085.77, 440,347.59 and 175,855.04

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Solution

The fourth proportional to 319,085.77, 440,347.59 and 175,855.04 is: 242,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,085.77 : 440,347.59 = 175,855.04 : x
  2. Step 2: Convert to fraction form
    319,085.77/440,347.59 = 175,855.04/x
  3. Step 3: Cross multiply
    319,085.77x = 440,347.59 × 175,855.04
  4. Step 4: Simplify right side
    319,085.77x = 77,437,340,522.55
  5. Step 5: Solve for x
    x = 77,437,340,522.55/319,085.77
  6. Step 6: Final answer
    x = 242,685.04

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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.