Home / 319,095.15-440,349.06-175,855.35

Finding the Fourth Proportional to 319,095.15, 440,349.06 and 175,855.35

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Solution

The fourth proportional to 319,095.15, 440,349.06 and 175,855.35 is: 242,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,095.15 : 440,349.06 = 175,855.35 : x
  2. Step 2: Convert to fraction form
    319,095.15/440,349.06 = 175,855.35/x
  3. Step 3: Cross multiply
    319,095.15x = 440,349.06 × 175,855.35
  4. Step 4: Simplify right side
    319,095.15x = 77,437,738,068.47
  5. Step 5: Solve for x
    x = 77,437,738,068.47/319,095.15
  6. Step 6: Final answer
    x = 242,679.14

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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.